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mmc: mmci: add set_clk/pwrreg callbacks

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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 <ludovic.barre@st.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Ludovic Barre 2018-10-08 14:08:42 +02:00 committed by Ulf Hansson
parent e0da172121
commit cd3ee8c532
2 changed files with 17 additions and 4 deletions
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16
drivers/mmc/host/mmci.c
View file

@ -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);

5
drivers/mmc/host/mmci.h
View file

@ -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,