diff options
| author | Ludovic Barre <ludovic.barre@st.com> | 2018-10-08 14:08:42 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2018-10-09 09:13:04 +0200 |
| commit | cd3ee8c532ad05dac71681e0ecfa91606d0e145e (patch) | |
| tree | 6d8ef84175f93f6e8a1ce76e401eef9e99b1d830 /drivers/mmc | |
| parent | e0da1721211b9016be1a1d994d97eb53c3ca29fe (diff) | |
mmc: mmci: add set_clk/pwrreg callbacks
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>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/mmci.c | 16 | ||||
| -rw-r--r-- | 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 91ef2ede41c5..1b99ae3bbd0f 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 ed59baf37f0f..dbb5ad47c16a 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, |