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Mon, 8 Oct 2018 14:09:41 +0200 Received: from lmecxl0923.lme.st.com (10.48.0.237) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Mon, 8 Oct 2018 14:09:41 +0200 From: Ludovic Barre To: Ulf Hansson , Rob Herring Subject: [PATCH V6 10/23] mmc: mmci: add set_clk/pwrreg callbacks Date: Mon, 8 Oct 2018 14:08:42 +0200 Message-ID: <1539000535-13261-11-git-send-email-ludovic.Barre@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1539000535-13261-1-git-send-email-ludovic.Barre@st.com> References: <1539000535-13261-1-git-send-email-ludovic.Barre@st.com> MIME-Version: 1.0 X-Originating-IP: [10.48.0.237] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-10-08_03:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181008_050951_756069_38087B40 X-CRM114-Status: GOOD ( 13.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Alexandre Torgue , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, srinivas.kandagatla@linaro.org, Ludovic Barre , Maxime Coquelin , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ludovic Barre This patch adds set_clkreg and set_pwrreg callbacks at mmci_host_ops to allow to call specific variant. extends visibility of mmci_write_clk/pwrreg functions to be used into specific file variant. Signed-off-by: Ludovic Barre --- drivers/mmc/host/mmci.c | 16 ++++++++++++---- drivers/mmc/host/mmci.h | 5 +++++ 2 files changed, 17 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 91ef2ede..1b99ae3 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -257,7 +257,7 @@ static void mmci_reg_delay(struct mmci_host *host) /* * This must be called with host->lock held */ -static void mmci_write_clkreg(struct mmci_host *host, u32 clk) +void mmci_write_clkreg(struct mmci_host *host, u32 clk) { if (host->clk_reg != clk) { host->clk_reg = clk; @@ -268,7 +268,7 @@ static void mmci_write_clkreg(struct mmci_host *host, u32 clk) /* * This must be called with host->lock held */ -static void mmci_write_pwrreg(struct mmci_host *host, u32 pwr) +void mmci_write_pwrreg(struct mmci_host *host, u32 pwr) { if (host->pwr_reg != pwr) { host->pwr_reg = pwr; @@ -1571,8 +1571,16 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) spin_lock_irqsave(&host->lock, flags); - mmci_set_clkreg(host, ios->clock); - mmci_write_pwrreg(host, pwr); + if (host->ops && host->ops->set_clkreg) + host->ops->set_clkreg(host, ios->clock); + else + mmci_set_clkreg(host, ios->clock); + + if (host->ops && host->ops->set_pwrreg) + host->ops->set_pwrreg(host, pwr); + else + mmci_write_pwrreg(host, pwr); + mmci_reg_delay(host); spin_unlock_irqrestore(&host->lock, flags); diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index ed59baf..dbb5ad4 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -284,6 +284,8 @@ struct mmci_host_ops { int (*dma_start)(struct mmci_host *host, unsigned int *datactrl); void (*dma_finalize)(struct mmci_host *host, struct mmc_data *data); void (*dma_error)(struct mmci_host *host); + void (*set_clkreg)(struct mmci_host *host, unsigned int desired); + void (*set_pwrreg)(struct mmci_host *host, unsigned int pwr); }; struct mmci_host { @@ -336,6 +338,9 @@ struct mmci_host { #define dma_inprogress(host) ((host)->dma_in_progress) +void mmci_write_clkreg(struct mmci_host *host, u32 clk); +void mmci_write_pwrreg(struct mmci_host *host, u32 pwr); + int mmci_dmae_prep_data(struct mmci_host *host, struct mmc_data *data, bool next); void mmci_dmae_unprep_data(struct mmci_host *host, struct mmc_data *data,