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pxamci: introduce mmc_has_26mhz() and include pxa935 

Along with more processor supporting 26MHz mode (including pxa935),
introduce an individual macro mmc_has_26mhz() for this.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Haojian Zhuang 2009-08-31 21:52:53 +08:00 committed by Eric Miao
parent c41562b162
commit fa3f99384c
1 changed files with 6 additions and 4 deletions
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10
drivers/mmc/host/pxamci.c
View File

@ -43,6 +43,9 @@
#define NR_SG 1
#define CLKRT_OFF (~0)
#define mmc_has_26MHz() (cpu_is_pxa300() || cpu_is_pxa310() \
|| cpu_is_pxa935())
struct pxamci_host {
struct mmc_host *mmc;
spinlock_t lock;
@ -457,7 +460,7 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
clk_enable(host->clk);
if (ios->clock == 26000000) {
/* to support 26MHz on pxa300/pxa310 */
/* to support 26MHz */
host->clkrt = 7;
} else {
/* to handle (19.5MHz, 26MHz) */
@ -608,8 +611,7 @@ static int pxamci_probe(struct platform_device *pdev)
* Calculate minimum clock rate, rounding up.
*/
mmc->f_min = (host->clkrate + 63) / 64;
mmc->f_max = (cpu_is_pxa300() || cpu_is_pxa310()) ? 26000000
: host->clkrate;
mmc->f_max = (mmc_has_26MHz()) ? 26000000 : host->clkrate;
pxamci_init_ocr(host);
@ -618,7 +620,7 @@ static int pxamci_probe(struct platform_device *pdev)
if (!cpu_is_pxa25x()) {
mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_SDIO_IRQ;
host->cmdat |= CMDAT_SDIO_INT_EN;
if (cpu_is_pxa300() || cpu_is_pxa310())
if (mmc_has_26MHz())
mmc->caps |= MMC_CAP_MMC_HIGHSPEED |
MMC_CAP_SD_HIGHSPEED;
}