1 files changed, 22 insertions, 9 deletions

diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index 1654a3330340..80df4b047c81 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -375,14 +375,23 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
                 if (host->clkrt == CLKRT_OFF)
                         clk_enable(host->clk);
 
-                /*
-                 * clk might result in a lower divisor than we
-                 * desire.  check for that condition and adjust
-                 * as appropriate.
-                 */
-                if (rate / clk > ios->clock)
-                        clk <<= 1;
-                host->clkrt = fls(clk) - 1;
+                if (ios->clock == 26000000) {
+                        /* to support 26MHz on pxa300/pxa310 */
+                        host->clkrt = 7;
+                } else {
+                        /* to handle (19.5MHz, 26MHz) */
+                        if (!clk)
+                                clk = 1;
+
+                        /*
+                         * clk might result in a lower divisor than we
+                         * desire.  check for that condition and adjust
+                         * as appropriate.
+                         */
+                        if (rate / clk > ios->clock)
+                                clk <<= 1;
+                        host->clkrt = fls(clk) - 1;
+                }
 
                 /*
                  * we write clkrt on the next command
@@ -519,7 +528,8 @@ static int pxamci_probe(struct platform_device *pdev)
          * Calculate minimum clock rate, rounding up.
          */
         mmc->f_min = (host->clkrate + 63) / 64;
-        mmc->f_max = host->clkrate;
+        mmc->f_max = (cpu_is_pxa300() || cpu_is_pxa310()) ? 26000000
+                                                          : host->clkrate;
 
         mmc->ocr_avail = host->pdata ?
                          host->pdata->ocr_mask :
@@ -529,6 +539,9 @@ static int pxamci_probe(struct platform_device *pdev)
         if (!cpu_is_pxa21x() && !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())
+                        mmc->caps |= MMC_CAP_MMC_HIGHSPEED |
+                                     MMC_CAP_SD_HIGHSPEED;
         }
 
         host->sg_cpu = dma_alloc_coherent(&pdev->dev, PAGE_SIZE, &host->sg_dma, GFP_KERNEL);