From patchwork Tue Mar 7 22:46:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ondrej Zary X-Patchwork-Id: 13164901 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1B5BDC74A44 for ; Tue, 7 Mar 2023 22:47:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229691AbjCGWrX (ORCPT ); Tue, 7 Mar 2023 17:47:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33422 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230430AbjCGWrL (ORCPT ); Tue, 7 Mar 2023 17:47:11 -0500 Received: from hosting.gsystem.sk (hosting.gsystem.sk [212.5.213.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id C3E47136DA; Tue, 7 Mar 2023 14:47:01 -0800 (PST) Received: from gsql.ggedos.sk (off-20.infotel.telecom.sk [212.5.213.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by hosting.gsystem.sk (Postfix) with ESMTPSA id CC22D7A06F6; Tue, 7 Mar 2023 23:46:48 +0100 (CET) From: Ondrej Zary To: Damien Le Moal , Sudip Mukherjee Cc: Christoph Hellwig , Sergey Shtylyov , Jens Axboe , Tim Waugh , linux-block@vger.kernel.org, linux-parport@lists.infradead.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 09/32] pata_parport-bpck6: remove struct ppc_storage Date: Tue, 7 Mar 2023 23:46:04 +0100 Message-Id: <20230307224627.28011-10-linux@zary.sk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20230307224627.28011-1-linux@zary.sk> References: <20230307224627.28011-1-linux@zary.sk> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Store the remaining two variables (cur_ctrl and ppc_flags) in struct ppc_storage directly in pi->private and remove struct ppc_storage. Signed-off-by: Ondrej Zary Reviewed-by: Sergey Shtylyov --- drivers/ata/pata_parport/bpck6.c | 21 ---- drivers/ata/pata_parport/ppc6lnx.c | 149 +++++++++++++---------------- 2 files changed, 69 insertions(+), 101 deletions(-) diff --git a/drivers/ata/pata_parport/bpck6.c b/drivers/ata/pata_parport/bpck6.c index fe97d1dee51c..dc0f71cc305e 100644 --- a/drivers/ata/pata_parport/bpck6.c +++ b/drivers/ata/pata_parport/bpck6.c @@ -14,7 +14,6 @@ #include #include #include -#include #include #include #include @@ -107,24 +106,6 @@ static void bpck6_log_adapter(struct pi_adapter *pi) pi->unit, pi->port, pi->mode, mode_string[pi->mode], pi->delay); } -static int bpck6_init_proto(struct pi_adapter *pi) -{ - struct ppc_storage *p = kzalloc(sizeof(struct ppc_storage), GFP_KERNEL); - - if (p) { - pi->private = (unsigned long)p; - return 0; - } - - dev_err(&pi->dev, "ERROR COULDN'T ALLOCATE MEMORY\n"); - return -1; -} - -static void bpck6_release_proto(struct pi_adapter *pi) -{ - kfree((void *)(pi->private)); -} - static struct pi_protocol bpck6 = { .owner = THIS_MODULE, .name = "bpck6", @@ -140,8 +121,6 @@ static struct pi_protocol bpck6 = { .test_port = bpck6_test_port, .probe_unit = bpck6_probe_unit, .log_adapter = bpck6_log_adapter, - .init_proto = bpck6_init_proto, - .release_proto = bpck6_release_proto, }; MODULE_LICENSE("GPL"); diff --git a/drivers/ata/pata_parport/ppc6lnx.c b/drivers/ata/pata_parport/ppc6lnx.c index 75f9748d8de5..ee8cee6bae7c 100644 --- a/drivers/ata/pata_parport/ppc6lnx.c +++ b/drivers/ata/pata_parport/ppc6lnx.c @@ -64,10 +64,8 @@ //*************************************************************************** -struct ppc_storage { - u8 ppc_flags; - u8 cur_ctrl; // current control port contents -}; +#define CUR_CTRL (((u8 *)&pi->private)[0]) +#define PPC_FLAGS (((u8 *)&pi->private)[1]) //*************************************************************************** @@ -112,7 +110,6 @@ int mode_map[] = { PPCMODE_UNI_FW, PPCMODE_BI_FW, PPCMODE_EPP_BYTE, static int ppc6_select(struct pi_adapter *pi) { - struct ppc_storage *ppc = (void *)(pi->private); u8 i, j, k; i = inb(pi->port + 1); @@ -124,11 +121,11 @@ static int ppc6_select(struct pi_adapter *pi) pi->saved_r2 = inb(pi->port + 2) & 0x5F; // readback ctrl - ppc->cur_ctrl = pi->saved_r2; + CUR_CTRL = pi->saved_r2; - ppc->cur_ctrl |= port_sel; + CUR_CTRL |= port_sel; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); if (pi->saved_r0 == 'b') outb('x', pi->port); @@ -138,13 +135,13 @@ static int ppc6_select(struct pi_adapter *pi) outb(pi->unit, pi->port); outb(~pi->unit, pi->port); - ppc->cur_ctrl &= ~port_sel; + CUR_CTRL &= ~port_sel; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); - ppc->cur_ctrl = (ppc->cur_ctrl & port_int) | port_init; + CUR_CTRL = (CUR_CTRL & port_int) | port_init; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); i = mode_map[pi->mode] & 0x0C; @@ -153,15 +150,15 @@ static int ppc6_select(struct pi_adapter *pi) outb(i, pi->port); - ppc->cur_ctrl |= port_sel; + CUR_CTRL |= port_sel; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); // DELAY - ppc->cur_ctrl |= port_afd; + CUR_CTRL |= port_afd; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); j = ((i & 0x08) << 4) | ((i & 0x07) << 3); @@ -169,20 +166,20 @@ static int ppc6_select(struct pi_adapter *pi) if (j == k) { - ppc->cur_ctrl &= ~port_afd; + CUR_CTRL &= ~port_afd; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); k = (inb(pi->port + 1) & 0xB8) ^ 0xB8; if (j == k) { if (i & 4) // EPP - ppc->cur_ctrl &= ~(port_sel | port_init); + CUR_CTRL &= ~(port_sel | port_init); else // PPC/ECP - ppc->cur_ctrl &= ~port_sel; + CUR_CTRL &= ~port_sel; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); return(1); } @@ -199,13 +196,12 @@ static int ppc6_select(struct pi_adapter *pi) static void ppc6_deselect(struct pi_adapter *pi) { - struct ppc_storage *ppc = (void *)(pi->private); if (mode_map[pi->mode] & 4) // EPP - ppc->cur_ctrl |= port_init; + CUR_CTRL |= port_init; else // PPC/ECP - ppc->cur_ctrl |= port_sel; + CUR_CTRL |= port_sel; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); outb(pi->saved_r0, pi->port); @@ -218,7 +214,6 @@ static void ppc6_deselect(struct pi_adapter *pi) static void ppc6_send_cmd(struct pi_adapter *pi, u8 cmd) { - struct ppc_storage *ppc = (void *)(pi->private); switch (mode_map[pi->mode]) { case PPCMODE_UNI_SW : @@ -228,9 +223,9 @@ static void ppc6_send_cmd(struct pi_adapter *pi, u8 cmd) { outb(cmd, pi->port); - ppc->cur_ctrl ^= cmd_stb; + CUR_CTRL ^= cmd_stb; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); break; } @@ -250,7 +245,6 @@ static void ppc6_send_cmd(struct pi_adapter *pi, u8 cmd) static void ppc6_wr_data_byte(struct pi_adapter *pi, u8 data) { - struct ppc_storage *ppc = (void *)(pi->private); switch (mode_map[pi->mode]) { case PPCMODE_UNI_SW : @@ -260,9 +254,9 @@ static void ppc6_wr_data_byte(struct pi_adapter *pi, u8 data) { outb(data, pi->port); - ppc->cur_ctrl ^= data_stb; + CUR_CTRL ^= data_stb; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); break; } @@ -282,7 +276,6 @@ static void ppc6_wr_data_byte(struct pi_adapter *pi, u8 data) static u8 ppc6_rd_data_byte(struct pi_adapter *pi) { - struct ppc_storage *ppc = (void *)(pi->private); u8 data = 0; switch (mode_map[pi->mode]) @@ -290,9 +283,9 @@ static u8 ppc6_rd_data_byte(struct pi_adapter *pi) case PPCMODE_UNI_SW : case PPCMODE_UNI_FW : { - ppc->cur_ctrl = (ppc->cur_ctrl & ~port_stb) ^ data_stb; + CUR_CTRL = (CUR_CTRL & ~port_stb) ^ data_stb; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); // DELAY @@ -300,9 +293,9 @@ static u8 ppc6_rd_data_byte(struct pi_adapter *pi) data = ((data & 0x80) >> 1) | ((data & 0x38) >> 3); - ppc->cur_ctrl |= port_stb; + CUR_CTRL |= port_stb; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); // DELAY @@ -314,23 +307,23 @@ static u8 ppc6_rd_data_byte(struct pi_adapter *pi) case PPCMODE_BI_SW : case PPCMODE_BI_FW : { - ppc->cur_ctrl |= port_dir; + CUR_CTRL |= port_dir; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); - ppc->cur_ctrl = (ppc->cur_ctrl | port_stb) ^ data_stb; + CUR_CTRL = (CUR_CTRL | port_stb) ^ data_stb; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); data = inb(pi->port); - ppc->cur_ctrl &= ~port_stb; + CUR_CTRL &= ~port_stb; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); - ppc->cur_ctrl &= ~port_dir; + CUR_CTRL &= ~port_dir; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); break; } @@ -339,11 +332,11 @@ static u8 ppc6_rd_data_byte(struct pi_adapter *pi) case PPCMODE_EPP_WORD : case PPCMODE_EPP_DWORD : { - outb((ppc->cur_ctrl | port_dir), pi->port + 2); + outb((CUR_CTRL | port_dir), pi->port + 2); data = inb(pi->port + 4); - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); break; } @@ -374,7 +367,6 @@ static void ppc6_wr_port(struct pi_adapter *pi, u8 port, u8 data) static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count) { - struct ppc_storage *ppc = (void *)(pi->private); switch (mode_map[pi->mode]) { case PPCMODE_UNI_SW : @@ -384,9 +376,9 @@ static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count) { u8 d; - ppc->cur_ctrl = (ppc->cur_ctrl & ~port_stb) ^ data_stb; + CUR_CTRL = (CUR_CTRL & ~port_stb) ^ data_stb; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); // DELAY @@ -394,9 +386,9 @@ static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count) d = ((d & 0x80) >> 1) | ((d & 0x38) >> 3); - ppc->cur_ctrl |= port_stb; + CUR_CTRL |= port_stb; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); // DELAY @@ -412,36 +404,36 @@ static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count) case PPCMODE_BI_SW : case PPCMODE_BI_FW : { - ppc->cur_ctrl |= port_dir; + CUR_CTRL |= port_dir; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); - ppc->cur_ctrl |= port_stb; + CUR_CTRL |= port_stb; while(count) { - ppc->cur_ctrl ^= data_stb; + CUR_CTRL ^= data_stb; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); *data++ = inb(pi->port); count--; } - ppc->cur_ctrl &= ~port_stb; + CUR_CTRL &= ~port_stb; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); - ppc->cur_ctrl &= ~port_dir; + CUR_CTRL &= ~port_dir; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); break; } case PPCMODE_EPP_BYTE : { - outb((ppc->cur_ctrl | port_dir), pi->port + 2); + outb((CUR_CTRL | port_dir), pi->port + 2); // DELAY @@ -451,14 +443,14 @@ static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count) count--; } - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); break; } case PPCMODE_EPP_WORD : { - outb((ppc->cur_ctrl | port_dir), pi->port + 2); + outb((CUR_CTRL | port_dir), pi->port + 2); // DELAY @@ -475,14 +467,14 @@ static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count) count--; } - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); break; } case PPCMODE_EPP_DWORD : { - outb((ppc->cur_ctrl | port_dir), pi->port + 2); + outb((CUR_CTRL | port_dir), pi->port + 2); // DELAY @@ -499,7 +491,7 @@ static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count) count--; } - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); break; } @@ -511,10 +503,9 @@ static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count) static void ppc6_wait_for_fifo(struct pi_adapter *pi) { - struct ppc_storage *ppc = (void *)(pi->private); int i; - if (ppc->ppc_flags & fifo_wait) + if (PPC_FLAGS & fifo_wait) { for(i=0; i<20; i++) inb(pi->port + 1); @@ -525,7 +516,6 @@ static void ppc6_wait_for_fifo(struct pi_adapter *pi) static void ppc6_wr_data_blk(struct pi_adapter *pi, u8 *data, long count) { - struct ppc_storage *ppc = (void *)(pi->private); switch (mode_map[pi->mode]) { case PPCMODE_UNI_SW : @@ -535,9 +525,9 @@ static void ppc6_wr_data_blk(struct pi_adapter *pi, u8 *data, long count) { outb(*data++, pi->port); - ppc->cur_ctrl ^= data_stb; + CUR_CTRL ^= data_stb; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); } break; @@ -550,9 +540,9 @@ static void ppc6_wr_data_blk(struct pi_adapter *pi, u8 *data, long count) ppc6_send_cmd(pi, CMD_PREFIX_SET | PREFIX_FASTWR); - ppc->cur_ctrl |= port_stb; + CUR_CTRL |= port_stb; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); last = *data; @@ -565,9 +555,9 @@ static void ppc6_wr_data_blk(struct pi_adapter *pi, u8 *data, long count) if (this == last) { - ppc->cur_ctrl ^= data_stb; + CUR_CTRL ^= data_stb; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); } else { @@ -577,9 +567,9 @@ static void ppc6_wr_data_blk(struct pi_adapter *pi, u8 *data, long count) } } - ppc->cur_ctrl &= ~port_stb; + CUR_CTRL &= ~port_stb; - outb(ppc->cur_ctrl, pi->port + 2); + outb(CUR_CTRL, pi->port + 2); ppc6_send_cmd(pi, CMD_PREFIX_RESET | PREFIX_FASTWR); @@ -694,7 +684,6 @@ static void ppc6_wr_extout(struct pi_adapter *pi, u8 regdata) static int ppc6_open(struct pi_adapter *pi) { - struct ppc_storage *ppc = (void *)(pi->private); int ret; ret = ppc6_select(pi); @@ -702,7 +691,7 @@ static int ppc6_open(struct pi_adapter *pi) if (ret == 0) return(ret); - ppc->ppc_flags &= ~fifo_wait; + PPC_FLAGS &= ~fifo_wait; ppc6_send_cmd(pi, ACCESS_REG | ACCESS_WRITE | REG_RAMSIZE); ppc6_wr_data_byte(pi, RAMSIZE_128K); @@ -710,7 +699,7 @@ static int ppc6_open(struct pi_adapter *pi) ppc6_send_cmd(pi, ACCESS_REG | ACCESS_READ | REG_VERSION); if ((ppc6_rd_data_byte(pi) & 0x3F) == 0x0C) - ppc->ppc_flags |= fifo_wait; + PPC_FLAGS |= fifo_wait; return(ret); }