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Tue, 21 May 2024 10:55:35 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTPS id 3y6ndkytm9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 May 2024 10:55:35 +0000 Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 44LAtZgS024579; Tue, 21 May 2024 10:55:35 GMT Received: from hu-devc-blr-u22-a.qualcomm.com (hu-mdalam-blr.qualcomm.com [10.131.36.157]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTPS id 44LAtZpv024572 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 May 2024 10:55:35 +0000 Received: by hu-devc-blr-u22-a.qualcomm.com (Postfix, from userid 466583) id 2843A414B6; Tue, 21 May 2024 16:25:34 +0530 (+0530) From: Md Sadre Alam To: broonie@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, manivannan.sadhasivam@linaro.org, linux-arm-msm@vger.kernel.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org Cc: quic_srichara@quicinc.com, quic_varada@quicinc.com, quic_mdalam@quicinc.com Subject: [PATCH v6 3/8] mtd: rawnand: qcom: Add qcom prefix to common api Date: Tue, 21 May 2024 16:25:27 +0530 Message-Id: <20240521105532.1537845-4-quic_mdalam@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240521105532.1537845-1-quic_mdalam@quicinc.com> References: <20240521105532.1537845-1-quic_mdalam@quicinc.com> Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: QgLJAt_lyp033PMYcvBfTG2tVrUbIgT_ X-Proofpoint-GUID: QgLJAt_lyp033PMYcvBfTG2tVrUbIgT_ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.650,FMLib:17.12.28.16 definitions=2024-05-21_06,2024-05-21_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 mlxlogscore=999 impostorscore=0 adultscore=0 lowpriorityscore=0 phishscore=0 spamscore=0 suspectscore=0 mlxscore=0 clxscore=1015 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405010000 definitions=main-2405210082 Add qcom prefix to all the api which will be commonly used by spi nand driver and raw nand driver. Signed-off-by: Md Sadre Alam --- Change in [v6] * No change Change in [v5] * Add qcom_ prefix to all common API. Change in [v4] * This patch was not included in [v4] Change in [v3] * This patch was not included in [v3] Change in [v2] * This patch was not included in [v2] Change in [v1] * This patch was not included in [v1] drivers/mtd/nand/raw/qcom_nandc.c | 322 +++++++++++++++--------------- 1 file changed, 159 insertions(+), 163 deletions(-) diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c index 6c886a72f5e4..d958b8fb5b68 100644 --- a/drivers/mtd/nand/raw/qcom_nandc.c +++ b/drivers/mtd/nand/raw/qcom_nandc.c @@ -53,7 +53,7 @@ #define NAND_READ_LOCATION_LAST_CW_2 0xf48 #define NAND_READ_LOCATION_LAST_CW_3 0xf4c -/* dummy register offsets, used by write_reg_dma */ +/* dummy register offsets, used by qcom_write_reg_dma */ #define NAND_DEV_CMD1_RESTORE 0xdead #define NAND_DEV_CMD_VLD_RESTORE 0xbeef @@ -211,7 +211,7 @@ /* * Flags used in DMA descriptor preparation helper functions - * (i.e. read_reg_dma/write_reg_dma/read_data_dma/write_data_dma) + * (i.e. qcom_read_reg_dma/qcom_write_reg_dma/qcom_read_data_dma/qcom_write_data_dma) */ /* Don't set the EOT in current tx BAM sgl */ #define NAND_BAM_NO_EOT BIT(0) @@ -550,7 +550,7 @@ struct qcom_nandc_props { }; /* Frees the BAM transaction memory */ -static void free_bam_transaction(struct qcom_nand_controller *nandc) +static void qcom_free_bam_transaction(struct qcom_nand_controller *nandc) { struct bam_transaction *bam_txn = nandc->bam_txn; @@ -559,7 +559,7 @@ static void free_bam_transaction(struct qcom_nand_controller *nandc) /* Allocates and Initializes the BAM transaction */ static struct bam_transaction * -alloc_bam_transaction(struct qcom_nand_controller *nandc) +qcom_alloc_bam_transaction(struct qcom_nand_controller *nandc) { struct bam_transaction *bam_txn; size_t bam_txn_size; @@ -595,7 +595,7 @@ alloc_bam_transaction(struct qcom_nand_controller *nandc) } /* Clears the BAM transaction indexes */ -static void clear_bam_transaction(struct qcom_nand_controller *nandc) +static void qcom_clear_bam_transaction(struct qcom_nand_controller *nandc) { struct bam_transaction *bam_txn = nandc->bam_txn; @@ -614,7 +614,7 @@ static void clear_bam_transaction(struct qcom_nand_controller *nandc) } /* Callback for DMA descriptor completion */ -static void qpic_bam_dma_done(void *data) +static void qcom_qpic_bam_dma_done(void *data) { struct bam_transaction *bam_txn = data; @@ -644,7 +644,7 @@ static inline void nandc_write(struct qcom_nand_controller *nandc, int offset, iowrite32(val, nandc->base + offset); } -static inline void nandc_dev_to_mem(struct qcom_nand_controller *nandc, bool is_cpu) +static inline void qcom_nandc_dev_to_mem(struct qcom_nand_controller *nandc, bool is_cpu) { if (!nandc->props->supports_bam) return; @@ -817,9 +817,8 @@ static void update_rw_regs(struct qcom_nand_host *host, int num_cw, bool read, i * for BAM. This descriptor will be added in the NAND DMA descriptor queue * which will be submitted to DMA engine. */ -static int prepare_bam_async_desc(struct qcom_nand_controller *nandc, - struct dma_chan *chan, - unsigned long flags) +static int qcom_prepare_bam_async_desc(struct qcom_nand_controller *nandc, + struct dma_chan *chan, unsigned long flags) { struct desc_info *desc; struct scatterlist *sgl; @@ -896,9 +895,9 @@ static int prepare_bam_async_desc(struct qcom_nand_controller *nandc, * NAND_BAM_NEXT_SGL will be used for starting the separate SGL * after the current command element. */ -static int prep_bam_dma_desc_cmd(struct qcom_nand_controller *nandc, bool read, - int reg_off, const void *vaddr, - int size, unsigned int flags) +static int qcom_prep_bam_dma_desc_cmd(struct qcom_nand_controller *nandc, bool read, + int reg_off, const void *vaddr, + int size, unsigned int flags) { int bam_ce_size; int i, ret; @@ -936,9 +935,8 @@ static int prep_bam_dma_desc_cmd(struct qcom_nand_controller *nandc, bool read, bam_txn->bam_ce_start = bam_txn->bam_ce_pos; if (flags & NAND_BAM_NWD) { - ret = prepare_bam_async_desc(nandc, nandc->cmd_chan, - DMA_PREP_FENCE | - DMA_PREP_CMD); + ret = qcom_prepare_bam_async_desc(nandc, nandc->cmd_chan, + DMA_PREP_FENCE | DMA_PREP_CMD); if (ret) return ret; } @@ -951,9 +949,8 @@ static int prep_bam_dma_desc_cmd(struct qcom_nand_controller *nandc, bool read, * Prepares the data descriptor for BAM DMA which will be used for NAND * data reads and writes. */ -static int prep_bam_dma_desc_data(struct qcom_nand_controller *nandc, bool read, - const void *vaddr, - int size, unsigned int flags) +static int qcom_prep_bam_dma_desc_data(struct qcom_nand_controller *nandc, bool read, + const void *vaddr, int size, unsigned int flags) { int ret; struct bam_transaction *bam_txn = nandc->bam_txn; @@ -972,8 +969,8 @@ static int prep_bam_dma_desc_data(struct qcom_nand_controller *nandc, bool read, * is not set, form the DMA descriptor */ if (!(flags & NAND_BAM_NO_EOT)) { - ret = prepare_bam_async_desc(nandc, nandc->tx_chan, - DMA_PREP_INTERRUPT); + ret = qcom_prepare_bam_async_desc(nandc, nandc->tx_chan, + DMA_PREP_INTERRUPT); if (ret) return ret; } @@ -982,9 +979,9 @@ static int prep_bam_dma_desc_data(struct qcom_nand_controller *nandc, bool read, return 0; } -static int prep_adm_dma_desc(struct qcom_nand_controller *nandc, bool read, - int reg_off, const void *vaddr, int size, - bool flow_control) +static int qcom_prep_adm_dma_desc(struct qcom_nand_controller *nandc, bool read, + int reg_off, const void *vaddr, int size, + bool flow_control) { struct desc_info *desc; struct dma_async_tx_descriptor *dma_desc; @@ -1062,15 +1059,15 @@ static int prep_adm_dma_desc(struct qcom_nand_controller *nandc, bool read, } /* - * read_reg_dma: prepares a descriptor to read a given number of + * qcom_read_reg_dma: prepares a descriptor to read a given number of * contiguous registers to the reg_read_buf pointer * * @first: offset of the first register in the contiguous block * @num_regs: number of registers to read * @flags: flags to control DMA descriptor preparation */ -static int read_reg_dma(struct qcom_nand_controller *nandc, int first, - int num_regs, unsigned int flags) +static int qcom_read_reg_dma(struct qcom_nand_controller *nandc, int first, + int num_regs, unsigned int flags) { bool flow_control = false; void *vaddr; @@ -1082,18 +1079,18 @@ static int read_reg_dma(struct qcom_nand_controller *nandc, int first, first = dev_cmd_reg_addr(nandc, first); if (nandc->props->supports_bam) - return prep_bam_dma_desc_cmd(nandc, true, first, vaddr, + return qcom_prep_bam_dma_desc_cmd(nandc, true, first, vaddr, num_regs, flags); if (first == NAND_READ_ID || first == NAND_FLASH_STATUS) flow_control = true; - return prep_adm_dma_desc(nandc, true, first, vaddr, - num_regs * sizeof(u32), flow_control); + return qcom_prep_adm_dma_desc(nandc, true, first, vaddr, + num_regs * sizeof(u32), flow_control); } /* - * write_reg_dma: prepares a descriptor to write a given number of + * qcom_write_reg_dma: prepares a descriptor to write a given number of * contiguous registers * * @vaddr: contnigeous memory from where register value will @@ -1102,8 +1099,8 @@ static int read_reg_dma(struct qcom_nand_controller *nandc, int first, * @num_regs: number of registers to write * @flags: flags to control DMA descriptor preparation */ -static int write_reg_dma(struct qcom_nand_controller *nandc, __le32 *vaddr, - int first, int num_regs, unsigned int flags) +static int qcom_write_reg_dma(struct qcom_nand_controller *nandc, __le32 *vaddr, + int first, int num_regs, unsigned int flags) { bool flow_control = false; @@ -1117,18 +1114,18 @@ static int write_reg_dma(struct qcom_nand_controller *nandc, __le32 *vaddr, first = dev_cmd_reg_addr(nandc, NAND_DEV_CMD_VLD); if (nandc->props->supports_bam) - return prep_bam_dma_desc_cmd(nandc, false, first, vaddr, - num_regs, flags); + return qcom_prep_bam_dma_desc_cmd(nandc, false, first, vaddr, + num_regs, flags); if (first == NAND_FLASH_CMD) flow_control = true; - return prep_adm_dma_desc(nandc, false, first, vaddr, - num_regs * sizeof(u32), flow_control); + return qcom_prep_adm_dma_desc(nandc, false, first, vaddr, + num_regs * sizeof(u32), flow_control); } /* - * read_data_dma: prepares a DMA descriptor to transfer data from the + * qcom_read_data_dma: prepares a DMA descriptor to transfer data from the * controller's internal buffer to the buffer 'vaddr' * * @reg_off: offset within the controller's data buffer @@ -1136,17 +1133,17 @@ static int write_reg_dma(struct qcom_nand_controller *nandc, __le32 *vaddr, * @size: DMA transaction size in bytes * @flags: flags to control DMA descriptor preparation */ -static int read_data_dma(struct qcom_nand_controller *nandc, int reg_off, - const u8 *vaddr, int size, unsigned int flags) +static int qcom_read_data_dma(struct qcom_nand_controller *nandc, int reg_off, + const u8 *vaddr, int size, unsigned int flags) { if (nandc->props->supports_bam) - return prep_bam_dma_desc_data(nandc, true, vaddr, size, flags); + return qcom_prep_bam_dma_desc_data(nandc, true, vaddr, size, flags); - return prep_adm_dma_desc(nandc, true, reg_off, vaddr, size, false); + return qcom_prep_adm_dma_desc(nandc, true, reg_off, vaddr, size, false); } /* - * write_data_dma: prepares a DMA descriptor to transfer data from + * qcom_write_data_dma: prepares a DMA descriptor to transfer data from * 'vaddr' to the controller's internal buffer * * @reg_off: offset within the controller's data buffer @@ -1154,13 +1151,13 @@ static int read_data_dma(struct qcom_nand_controller *nandc, int reg_off, * @size: DMA transaction size in bytes * @flags: flags to control DMA descriptor preparation */ -static int write_data_dma(struct qcom_nand_controller *nandc, int reg_off, - const u8 *vaddr, int size, unsigned int flags) +static int qcom_write_data_dma(struct qcom_nand_controller *nandc, int reg_off, + const u8 *vaddr, int size, unsigned int flags) { if (nandc->props->supports_bam) - return prep_bam_dma_desc_data(nandc, false, vaddr, size, flags); + return qcom_prep_bam_dma_desc_data(nandc, false, vaddr, size, flags); - return prep_adm_dma_desc(nandc, false, reg_off, vaddr, size, false); + return qcom_prep_adm_dma_desc(nandc, false, reg_off, vaddr, size, false); } /* @@ -1171,14 +1168,14 @@ static void config_nand_page_read(struct nand_chip *chip) { struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip); - write_reg_dma(nandc, &nandc->regs->addr0, NAND_ADDR0, 2, 0); - write_reg_dma(nandc, &nandc->regs->cfg0, NAND_DEV0_CFG0, 3, 0); + qcom_write_reg_dma(nandc, &nandc->regs->addr0, NAND_ADDR0, 2, 0); + qcom_write_reg_dma(nandc, &nandc->regs->cfg0, NAND_DEV0_CFG0, 3, 0); if (!nandc->props->qpic_version2) - write_reg_dma(nandc, &nandc->regs->ecc_buf_cfg, NAND_EBI2_ECC_BUF_CFG, 1, 0); - write_reg_dma(nandc, &nandc->regs->erased_cw_detect_cfg_clr, - NAND_ERASED_CW_DETECT_CFG, 1, 0); - write_reg_dma(nandc, &nandc->regs->erased_cw_detect_cfg_set, - NAND_ERASED_CW_DETECT_CFG, 1, NAND_ERASED_CW_SET | NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->ecc_buf_cfg, NAND_EBI2_ECC_BUF_CFG, 1, 0); + qcom_write_reg_dma(nandc, &nandc->regs->erased_cw_detect_cfg_clr, + NAND_ERASED_CW_DETECT_CFG, 1, 0); + qcom_write_reg_dma(nandc, &nandc->regs->erased_cw_detect_cfg_set, + NAND_ERASED_CW_DETECT_CFG, 1, NAND_ERASED_CW_SET | NAND_BAM_NEXT_SGL); } /* @@ -1197,17 +1194,17 @@ config_nand_cw_read(struct nand_chip *chip, bool use_ecc, int cw) reg = &nandc->regs->read_location_last0; if (nandc->props->supports_bam) - write_reg_dma(nandc, reg, NAND_READ_LOCATION_0, 4, NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, reg, NAND_READ_LOCATION_0, 4, NAND_BAM_NEXT_SGL); - write_reg_dma(nandc, &nandc->regs->cmd, NAND_FLASH_CMD, 1, NAND_BAM_NEXT_SGL); - write_reg_dma(nandc, &nandc->regs->exec, NAND_EXEC_CMD, 1, NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->cmd, NAND_FLASH_CMD, 1, NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->exec, NAND_EXEC_CMD, 1, NAND_BAM_NEXT_SGL); if (use_ecc) { - read_reg_dma(nandc, NAND_FLASH_STATUS, 2, 0); - read_reg_dma(nandc, NAND_ERASED_CW_DETECT_STATUS, 1, - NAND_BAM_NEXT_SGL); + qcom_read_reg_dma(nandc, NAND_FLASH_STATUS, 2, 0); + qcom_read_reg_dma(nandc, NAND_ERASED_CW_DETECT_STATUS, 1, + NAND_BAM_NEXT_SGL); } else { - read_reg_dma(nandc, NAND_FLASH_STATUS, 1, NAND_BAM_NEXT_SGL); + qcom_read_reg_dma(nandc, NAND_FLASH_STATUS, 1, NAND_BAM_NEXT_SGL); } } @@ -1231,11 +1228,11 @@ static void config_nand_page_write(struct nand_chip *chip) { struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip); - write_reg_dma(nandc, &nandc->regs->addr0, NAND_ADDR0, 2, 0); - write_reg_dma(nandc, &nandc->regs->cfg0, NAND_DEV0_CFG0, 3, 0); + qcom_write_reg_dma(nandc, &nandc->regs->addr0, NAND_ADDR0, 2, 0); + qcom_write_reg_dma(nandc, &nandc->regs->cfg0, NAND_DEV0_CFG0, 3, 0); if (!nandc->props->qpic_version2) - write_reg_dma(nandc, &nandc->regs->ecc_buf_cfg, NAND_EBI2_ECC_BUF_CFG, 1, - NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->ecc_buf_cfg, NAND_EBI2_ECC_BUF_CFG, 1, + NAND_BAM_NEXT_SGL); } /* @@ -1246,17 +1243,18 @@ static void config_nand_cw_write(struct nand_chip *chip) { struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip); - write_reg_dma(nandc, &nandc->regs->cmd, NAND_FLASH_CMD, 1, NAND_BAM_NEXT_SGL); - write_reg_dma(nandc, &nandc->regs->exec, NAND_EXEC_CMD, 1, NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->cmd, NAND_FLASH_CMD, 1, NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->exec, NAND_EXEC_CMD, 1, NAND_BAM_NEXT_SGL); - read_reg_dma(nandc, NAND_FLASH_STATUS, 1, NAND_BAM_NEXT_SGL); + qcom_read_reg_dma(nandc, NAND_FLASH_STATUS, 1, NAND_BAM_NEXT_SGL); - write_reg_dma(nandc, &nandc->regs->clrflashstatus, NAND_FLASH_STATUS, 1, 0); - write_reg_dma(nandc, &nandc->regs->clrreadstatus, NAND_READ_STATUS, 1, NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->clrflashstatus, NAND_FLASH_STATUS, 1, 0); + qcom_write_reg_dma(nandc, &nandc->regs->clrreadstatus, NAND_READ_STATUS, 1, + NAND_BAM_NEXT_SGL); } /* helpers to submit/free our list of dma descriptors */ -static int submit_descs(struct qcom_nand_controller *nandc) +static int qcom_submit_descs(struct qcom_nand_controller *nandc) { struct desc_info *desc, *n; dma_cookie_t cookie = 0; @@ -1265,21 +1263,21 @@ static int submit_descs(struct qcom_nand_controller *nandc) if (nandc->props->supports_bam) { if (bam_txn->rx_sgl_pos > bam_txn->rx_sgl_start) { - ret = prepare_bam_async_desc(nandc, nandc->rx_chan, 0); + ret = qcom_prepare_bam_async_desc(nandc, nandc->rx_chan, 0); if (ret) goto err_unmap_free_desc; } if (bam_txn->tx_sgl_pos > bam_txn->tx_sgl_start) { - ret = prepare_bam_async_desc(nandc, nandc->tx_chan, - DMA_PREP_INTERRUPT); + ret = qcom_prepare_bam_async_desc(nandc, nandc->tx_chan, + DMA_PREP_INTERRUPT); if (ret) goto err_unmap_free_desc; } if (bam_txn->cmd_sgl_pos > bam_txn->cmd_sgl_start) { - ret = prepare_bam_async_desc(nandc, nandc->cmd_chan, - DMA_PREP_CMD); + ret = qcom_prepare_bam_async_desc(nandc, nandc->cmd_chan, + DMA_PREP_CMD); if (ret) goto err_unmap_free_desc; } @@ -1289,7 +1287,7 @@ static int submit_descs(struct qcom_nand_controller *nandc) cookie = dmaengine_submit(desc->dma_desc); if (nandc->props->supports_bam) { - bam_txn->last_cmd_desc->callback = qpic_bam_dma_done; + bam_txn->last_cmd_desc->callback = qcom_qpic_bam_dma_done; bam_txn->last_cmd_desc->callback_param = bam_txn; dma_async_issue_pending(nandc->tx_chan); @@ -1307,7 +1305,7 @@ static int submit_descs(struct qcom_nand_controller *nandc) err_unmap_free_desc: /* * Unmap the dma sg_list and free the desc allocated by both - * prepare_bam_async_desc() and prep_adm_dma_desc() functions. + * qcom_prepare_bam_async_desc() and qcom_prep_adm_dma_desc() functions. */ list_for_each_entry_safe(desc, n, &nandc->desc_list, node) { list_del(&desc->node); @@ -1326,10 +1324,10 @@ static int submit_descs(struct qcom_nand_controller *nandc) } /* reset the register read buffer for next NAND operation */ -static void clear_read_regs(struct qcom_nand_controller *nandc) +static void qcom_clear_read_regs(struct qcom_nand_controller *nandc) { nandc->reg_read_pos = 0; - nandc_dev_to_mem(nandc, false); + qcom_nandc_dev_to_mem(nandc, false); } /* @@ -1393,7 +1391,7 @@ static int check_flash_errors(struct qcom_nand_host *host, int cw_cnt) struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip); int i; - nandc_dev_to_mem(nandc, true); + qcom_nandc_dev_to_mem(nandc, true); for (i = 0; i < cw_cnt; i++) { u32 flash = le32_to_cpu(nandc->reg_read_buf[i]); @@ -1420,13 +1418,13 @@ qcom_nandc_read_cw_raw(struct mtd_info *mtd, struct nand_chip *chip, nand_read_page_op(chip, page, 0, NULL, 0); nandc->buf_count = 0; nandc->buf_start = 0; - clear_read_regs(nandc); + qcom_clear_read_regs(nandc); host->use_ecc = false; if (nandc->props->qpic_version2) raw_cw = ecc->steps - 1; - clear_bam_transaction(nandc); + qcom_clear_bam_transaction(nandc); set_address(host, host->cw_size * cw, page); update_rw_regs(host, 1, true, raw_cw); config_nand_page_read(chip); @@ -1459,18 +1457,18 @@ qcom_nandc_read_cw_raw(struct mtd_info *mtd, struct nand_chip *chip, config_nand_cw_read(chip, false, raw_cw); - read_data_dma(nandc, reg_off, data_buf, data_size1, 0); + qcom_read_data_dma(nandc, reg_off, data_buf, data_size1, 0); reg_off += data_size1; - read_data_dma(nandc, reg_off, oob_buf, oob_size1, 0); + qcom_read_data_dma(nandc, reg_off, oob_buf, oob_size1, 0); reg_off += oob_size1; - read_data_dma(nandc, reg_off, data_buf + data_size1, data_size2, 0); + qcom_read_data_dma(nandc, reg_off, data_buf + data_size1, data_size2, 0); reg_off += data_size2; - read_data_dma(nandc, reg_off, oob_buf + oob_size1, oob_size2, 0); + qcom_read_data_dma(nandc, reg_off, oob_buf + oob_size1, oob_size2, 0); - ret = submit_descs(nandc); + ret = qcom_submit_descs(nandc); if (ret) { dev_err(nandc->dev, "failure to read raw cw %d\n", cw); return ret; @@ -1568,7 +1566,7 @@ static int parse_read_errors(struct qcom_nand_host *host, u8 *data_buf, u8 *data_buf_start = data_buf, *oob_buf_start = oob_buf; buf = (struct read_stats *)nandc->reg_read_buf; - nandc_dev_to_mem(nandc, true); + qcom_nandc_dev_to_mem(nandc, true); for (i = 0; i < ecc->steps; i++, buf++) { u32 flash, buffer, erased_cw; @@ -1697,8 +1695,8 @@ static int read_page_ecc(struct qcom_nand_host *host, u8 *data_buf, config_nand_cw_read(chip, true, i); if (data_buf) - read_data_dma(nandc, FLASH_BUF_ACC, data_buf, - data_size, 0); + qcom_read_data_dma(nandc, FLASH_BUF_ACC, data_buf, + data_size, 0); /* * when ecc is enabled, the controller doesn't read the real @@ -1713,8 +1711,8 @@ static int read_page_ecc(struct qcom_nand_host *host, u8 *data_buf, for (j = 0; j < host->bbm_size; j++) *oob_buf++ = 0xff; - read_data_dma(nandc, FLASH_BUF_ACC + data_size, - oob_buf, oob_size, 0); + qcom_read_data_dma(nandc, FLASH_BUF_ACC + data_size, + oob_buf, oob_size, 0); } if (data_buf) @@ -1723,7 +1721,7 @@ static int read_page_ecc(struct qcom_nand_host *host, u8 *data_buf, oob_buf += oob_size; } - ret = submit_descs(nandc); + ret = qcom_submit_descs(nandc); if (ret) { dev_err(nandc->dev, "failure to read page/oob\n"); return ret; @@ -1744,7 +1742,7 @@ static int copy_last_cw(struct qcom_nand_host *host, int page) int size; int ret; - clear_read_regs(nandc); + qcom_clear_read_regs(nandc); size = host->use_ecc ? host->cw_data : host->cw_size; @@ -1756,9 +1754,9 @@ static int copy_last_cw(struct qcom_nand_host *host, int page) config_nand_single_cw_page_read(chip, host->use_ecc, ecc->steps - 1); - read_data_dma(nandc, FLASH_BUF_ACC, nandc->data_buffer, size, 0); + qcom_read_data_dma(nandc, FLASH_BUF_ACC, nandc->data_buffer, size, 0); - ret = submit_descs(nandc); + ret = qcom_submit_descs(nandc); if (ret) dev_err(nandc->dev, "failed to copy last codeword\n"); @@ -1844,14 +1842,14 @@ static int qcom_nandc_read_page(struct nand_chip *chip, u8 *buf, nandc->buf_count = 0; nandc->buf_start = 0; host->use_ecc = true; - clear_read_regs(nandc); + qcom_clear_read_regs(nandc); set_address(host, 0, page); update_rw_regs(host, ecc->steps, true, 0); data_buf = buf; oob_buf = oob_required ? chip->oob_poi : NULL; - clear_bam_transaction(nandc); + qcom_clear_bam_transaction(nandc); return read_page_ecc(host, data_buf, oob_buf, page); } @@ -1892,8 +1890,8 @@ static int qcom_nandc_read_oob(struct nand_chip *chip, int page) if (host->nr_boot_partitions) qcom_nandc_codeword_fixup(host, page); - clear_read_regs(nandc); - clear_bam_transaction(nandc); + qcom_clear_read_regs(nandc); + qcom_clear_bam_transaction(nandc); host->use_ecc = true; set_address(host, 0, page); @@ -1920,8 +1918,8 @@ static int qcom_nandc_write_page(struct nand_chip *chip, const u8 *buf, set_address(host, 0, page); nandc->buf_count = 0; nandc->buf_start = 0; - clear_read_regs(nandc); - clear_bam_transaction(nandc); + qcom_clear_read_regs(nandc); + qcom_clear_bam_transaction(nandc); data_buf = (u8 *)buf; oob_buf = chip->oob_poi; @@ -1942,8 +1940,8 @@ static int qcom_nandc_write_page(struct nand_chip *chip, const u8 *buf, oob_size = ecc->bytes; } - write_data_dma(nandc, FLASH_BUF_ACC, data_buf, data_size, - i == (ecc->steps - 1) ? NAND_BAM_NO_EOT : 0); + qcom_write_data_dma(nandc, FLASH_BUF_ACC, data_buf, data_size, + i == (ecc->steps - 1) ? NAND_BAM_NO_EOT : 0); /* * when ECC is enabled, we don't really need to write anything @@ -1955,8 +1953,8 @@ static int qcom_nandc_write_page(struct nand_chip *chip, const u8 *buf, if (qcom_nandc_is_last_cw(ecc, i)) { oob_buf += host->bbm_size; - write_data_dma(nandc, FLASH_BUF_ACC + data_size, - oob_buf, oob_size, 0); + qcom_write_data_dma(nandc, FLASH_BUF_ACC + data_size, + oob_buf, oob_size, 0); } config_nand_cw_write(chip); @@ -1965,7 +1963,7 @@ static int qcom_nandc_write_page(struct nand_chip *chip, const u8 *buf, oob_buf += oob_size; } - ret = submit_descs(nandc); + ret = qcom_submit_descs(nandc); if (ret) { dev_err(nandc->dev, "failure to write page\n"); return ret; @@ -1990,8 +1988,8 @@ static int qcom_nandc_write_page_raw(struct nand_chip *chip, qcom_nandc_codeword_fixup(host, page); nand_prog_page_begin_op(chip, page, 0, NULL, 0); - clear_read_regs(nandc); - clear_bam_transaction(nandc); + qcom_clear_read_regs(nandc); + qcom_clear_bam_transaction(nandc); data_buf = (u8 *)buf; oob_buf = chip->oob_poi; @@ -2017,28 +2015,28 @@ static int qcom_nandc_write_page_raw(struct nand_chip *chip, oob_size2 = host->ecc_bytes_hw + host->spare_bytes; } - write_data_dma(nandc, reg_off, data_buf, data_size1, - NAND_BAM_NO_EOT); + qcom_write_data_dma(nandc, reg_off, data_buf, data_size1, + NAND_BAM_NO_EOT); reg_off += data_size1; data_buf += data_size1; - write_data_dma(nandc, reg_off, oob_buf, oob_size1, - NAND_BAM_NO_EOT); + qcom_write_data_dma(nandc, reg_off, oob_buf, oob_size1, + NAND_BAM_NO_EOT); reg_off += oob_size1; oob_buf += oob_size1; - write_data_dma(nandc, reg_off, data_buf, data_size2, - NAND_BAM_NO_EOT); + qcom_write_data_dma(nandc, reg_off, data_buf, data_size2, + NAND_BAM_NO_EOT); reg_off += data_size2; data_buf += data_size2; - write_data_dma(nandc, reg_off, oob_buf, oob_size2, 0); + qcom_write_data_dma(nandc, reg_off, oob_buf, oob_size2, 0); oob_buf += oob_size2; config_nand_cw_write(chip); } - ret = submit_descs(nandc); + ret = qcom_submit_descs(nandc); if (ret) { dev_err(nandc->dev, "failure to write raw page\n"); return ret; @@ -2068,7 +2066,7 @@ static int qcom_nandc_write_oob(struct nand_chip *chip, int page) qcom_nandc_codeword_fixup(host, page); host->use_ecc = true; - clear_bam_transaction(nandc); + qcom_clear_bam_transaction(nandc); /* calculate the data and oob size for the last codeword/step */ data_size = ecc->size - ((ecc->steps - 1) << 2); @@ -2083,11 +2081,10 @@ static int qcom_nandc_write_oob(struct nand_chip *chip, int page) update_rw_regs(host, 1, false, 0); config_nand_page_write(chip); - write_data_dma(nandc, FLASH_BUF_ACC, - nandc->data_buffer, data_size + oob_size, 0); + qcom_write_data_dma(nandc, FLASH_BUF_ACC, nandc->data_buffer, data_size + oob_size, 0); config_nand_cw_write(chip); - ret = submit_descs(nandc); + ret = qcom_submit_descs(nandc); if (ret) { dev_err(nandc->dev, "failure to write oob\n"); return ret; @@ -2114,7 +2111,7 @@ static int qcom_nandc_block_bad(struct nand_chip *chip, loff_t ofs) */ host->use_ecc = false; - clear_bam_transaction(nandc); + qcom_clear_bam_transaction(nandc); ret = copy_last_cw(host, page); if (ret) goto err; @@ -2141,8 +2138,8 @@ static int qcom_nandc_block_markbad(struct nand_chip *chip, loff_t ofs) struct nand_ecc_ctrl *ecc = &chip->ecc; int page, ret; - clear_read_regs(nandc); - clear_bam_transaction(nandc); + qcom_clear_read_regs(nandc); + qcom_clear_bam_transaction(nandc); /* * to mark the BBM as bad, we flash the entire last codeword with 0s. @@ -2159,11 +2156,10 @@ static int qcom_nandc_block_markbad(struct nand_chip *chip, loff_t ofs) update_rw_regs(host, 1, false, ecc->steps - 1); config_nand_page_write(chip); - write_data_dma(nandc, FLASH_BUF_ACC, - nandc->data_buffer, host->cw_size, 0); + qcom_write_data_dma(nandc, FLASH_BUF_ACC, nandc->data_buffer, host->cw_size, 0); config_nand_cw_write(chip); - ret = submit_descs(nandc); + ret = qcom_submit_descs(nandc); if (ret) { dev_err(nandc->dev, "failure to update BBM\n"); return ret; @@ -2403,14 +2399,14 @@ static int qcom_nand_attach_chip(struct nand_chip *chip) mtd_set_ooblayout(mtd, &qcom_nand_ooblayout_ops); /* Free the initially allocated BAM transaction for reading the ONFI params */ if (nandc->props->supports_bam) - free_bam_transaction(nandc); + qcom_free_bam_transaction(nandc); nandc->max_cwperpage = max_t(unsigned int, nandc->max_cwperpage, cwperpage); /* Now allocate the BAM transaction based on updated max_cwperpage */ if (nandc->props->supports_bam) { - nandc->bam_txn = alloc_bam_transaction(nandc); + nandc->bam_txn = qcom_alloc_bam_transaction(nandc); if (!nandc->bam_txn) { dev_err(nandc->dev, "failed to allocate bam transaction\n"); @@ -2610,7 +2606,7 @@ static int qcom_wait_rdy_poll(struct nand_chip *chip, unsigned int time_ms) unsigned long start = jiffies + msecs_to_jiffies(time_ms); u32 flash; - nandc_dev_to_mem(nandc, true); + qcom_nandc_dev_to_mem(nandc, true); do { flash = le32_to_cpu(nandc->reg_read_buf[0]); @@ -2650,23 +2646,23 @@ static int qcom_read_status_exec(struct nand_chip *chip, nandc->buf_start = 0; host->use_ecc = false; - clear_read_regs(nandc); - clear_bam_transaction(nandc); + qcom_clear_read_regs(nandc); + qcom_clear_bam_transaction(nandc); nandc->regs->cmd = q_op.cmd_reg; nandc->regs->exec = 1; - write_reg_dma(nandc, &nandc->regs->cmd, NAND_FLASH_CMD, 1, NAND_BAM_NEXT_SGL); - write_reg_dma(nandc, &nandc->regs->exec, NAND_EXEC_CMD, 1, NAND_BAM_NEXT_SGL); - read_reg_dma(nandc, NAND_FLASH_STATUS, 1, NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->cmd, NAND_FLASH_CMD, 1, NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->exec, NAND_EXEC_CMD, 1, NAND_BAM_NEXT_SGL); + qcom_read_reg_dma(nandc, NAND_FLASH_STATUS, 1, NAND_BAM_NEXT_SGL); - ret = submit_descs(nandc); + ret = qcom_submit_descs(nandc); if (ret) { dev_err(nandc->dev, "failure in submitting status descriptor\n"); goto err_out; } - nandc_dev_to_mem(nandc, true); + qcom_nandc_dev_to_mem(nandc, true); for (i = 0; i < num_cw; i++) { flash_status = le32_to_cpu(nandc->reg_read_buf[i]); @@ -2707,8 +2703,8 @@ static int qcom_read_id_type_exec(struct nand_chip *chip, const struct nand_subo nandc->buf_start = 0; host->use_ecc = false; - clear_read_regs(nandc); - clear_bam_transaction(nandc); + qcom_clear_read_regs(nandc); + qcom_clear_bam_transaction(nandc); nandc->regs->cmd = q_op.cmd_reg; nandc->regs->addr0 = q_op.addr1_reg; @@ -2716,12 +2712,12 @@ static int qcom_read_id_type_exec(struct nand_chip *chip, const struct nand_subo nandc->regs->chip_sel = nandc->props->supports_bam ? 0 : DM_EN; nandc->regs->exec = 1; - write_reg_dma(nandc, &nandc->regs->cmd, NAND_FLASH_CMD, 4, NAND_BAM_NEXT_SGL); - write_reg_dma(nandc, &nandc->regs->exec, NAND_EXEC_CMD, 1, NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->cmd, NAND_FLASH_CMD, 4, NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->exec, NAND_EXEC_CMD, 1, NAND_BAM_NEXT_SGL); - read_reg_dma(nandc, NAND_READ_ID, 1, NAND_BAM_NEXT_SGL); + qcom_read_reg_dma(nandc, NAND_READ_ID, 1, NAND_BAM_NEXT_SGL); - ret = submit_descs(nandc); + ret = qcom_submit_descs(nandc); if (ret) { dev_err(nandc->dev, "failure in submitting read id descriptor\n"); goto err_out; @@ -2731,7 +2727,7 @@ static int qcom_read_id_type_exec(struct nand_chip *chip, const struct nand_subo op_id = q_op.data_instr_idx; len = nand_subop_get_data_len(subop, op_id); - nandc_dev_to_mem(nandc, true); + qcom_nandc_dev_to_mem(nandc, true); memcpy(instr->ctx.data.buf.in, nandc->reg_read_buf, len); err_out: @@ -2767,20 +2763,21 @@ static int qcom_misc_cmd_type_exec(struct nand_chip *chip, const struct nand_sub nandc->buf_start = 0; host->use_ecc = false; - clear_read_regs(nandc); - clear_bam_transaction(nandc); + qcom_clear_read_regs(nandc); + qcom_clear_bam_transaction(nandc); nandc->regs->cmd = q_op.cmd_reg; nandc->regs->exec = 1; - write_reg_dma(nandc, &nandc->regs->cmd, NAND_FLASH_CMD, instrs, NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->cmd, NAND_FLASH_CMD, instrs, NAND_BAM_NEXT_SGL); + if (q_op.cmd_reg == OP_BLOCK_ERASE) - write_reg_dma(nandc, &nandc->regs->cfg0, NAND_DEV0_CFG0, 2, NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->cfg0, NAND_DEV0_CFG0, 2, NAND_BAM_NEXT_SGL); - write_reg_dma(nandc, &nandc->regs->exec, NAND_EXEC_CMD, 1, NAND_BAM_NEXT_SGL); - read_reg_dma(nandc, NAND_FLASH_STATUS, 1, NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->exec, NAND_EXEC_CMD, 1, NAND_BAM_NEXT_SGL); + qcom_read_reg_dma(nandc, NAND_FLASH_STATUS, 1, NAND_BAM_NEXT_SGL); - ret = submit_descs(nandc); + ret = qcom_submit_descs(nandc); if (ret) { dev_err(nandc->dev, "failure in submitting misc descriptor\n"); goto err_out; @@ -2813,8 +2810,8 @@ static int qcom_param_page_type_exec(struct nand_chip *chip, const struct nand_ nandc->buf_count = 0; nandc->buf_start = 0; host->use_ecc = false; - clear_read_regs(nandc); - clear_bam_transaction(nandc); + qcom_clear_read_regs(nandc); + qcom_clear_bam_transaction(nandc); nandc->regs->cmd = q_op.cmd_reg; nandc->regs->addr0 = 0; @@ -2857,8 +2854,8 @@ static int qcom_param_page_type_exec(struct nand_chip *chip, const struct nand_ nandc_set_read_loc(chip, 0, 0, 0, len, 1); if (!nandc->props->qpic_version2) { - write_reg_dma(nandc, &nandc->regs->vld, NAND_DEV_CMD_VLD, 1, 0); - write_reg_dma(nandc, &nandc->regs->cmd1, NAND_DEV_CMD1, 1, NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->vld, NAND_DEV_CMD_VLD, 1, 0); + qcom_write_reg_dma(nandc, &nandc->regs->cmd1, NAND_DEV_CMD1, 1, NAND_BAM_NEXT_SGL); } nandc->buf_count = len; @@ -2866,17 +2863,16 @@ static int qcom_param_page_type_exec(struct nand_chip *chip, const struct nand_ config_nand_single_cw_page_read(chip, false, 0); - read_data_dma(nandc, FLASH_BUF_ACC, nandc->data_buffer, - nandc->buf_count, 0); + qcom_read_data_dma(nandc, FLASH_BUF_ACC, nandc->data_buffer, nandc->buf_count, 0); /* restore CMD1 and VLD regs */ if (!nandc->props->qpic_version2) { - write_reg_dma(nandc, &nandc->regs->orig_cmd1, NAND_DEV_CMD1_RESTORE, 1, 0); - write_reg_dma(nandc, &nandc->regs->orig_vld, NAND_DEV_CMD_VLD_RESTORE, 1, - NAND_BAM_NEXT_SGL); + qcom_write_reg_dma(nandc, &nandc->regs->orig_cmd1, NAND_DEV_CMD1_RESTORE, 1, 0); + qcom_write_reg_dma(nandc, &nandc->regs->orig_vld, NAND_DEV_CMD_VLD_RESTORE, 1, + NAND_BAM_NEXT_SGL); } - ret = submit_descs(nandc); + ret = qcom_submit_descs(nandc); if (ret) { dev_err(nandc->dev, "failure in submitting param page descriptor\n"); goto err_out; @@ -3060,7 +3056,7 @@ static int qcom_nandc_alloc(struct qcom_nand_controller *nandc) * maximum codeword size */ nandc->max_cwperpage = 1; - nandc->bam_txn = alloc_bam_transaction(nandc); + nandc->bam_txn = qcom_alloc_bam_transaction(nandc); if (!nandc->bam_txn) { dev_err(nandc->dev, "failed to allocate bam transaction\n");