[PATCH V6 10/23] mmc: mmci: add set_clk/pwrreg callbacks
From: Ludovic Barre <hidden>
Date: 2018-10-08 12:09:59
Also in:
linux-devicetree, linux-mmc, lkml
Subsystem:
arm primecell mmci pl180/1 driver, multimedia card (mmc), secure digital (sd) and sdio subsystem, the rest · Maintainers:
Russell King, Ulf Hansson, Linus Torvalds
From: Ludovic Barre <redacted> 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 <redacted> --- 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,
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2.7.4