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path: root/drivers/mmc/sdhci.c
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Diffstat (limited to 'drivers/mmc/sdhci.c')
-rw-r--r--drivers/mmc/sdhci.c39
1 files changed, 23 insertions, 16 deletions
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 7522f76b15ec..d749f08601b8 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -606,7 +606,6 @@ static void sdhci_finish_command(struct sdhci_host *host)
static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
{
int div;
- u8 ctrl;
u16 clk;
unsigned long timeout;
@@ -615,13 +614,6 @@ static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL);
- ctrl = readb(host->ioaddr + SDHCI_HOST_CONTROL);
- if (clock > 25000000)
- ctrl |= SDHCI_CTRL_HISPD;
- else
- ctrl &= ~SDHCI_CTRL_HISPD;
- writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL);
-
if (clock == 0)
goto out;
@@ -761,10 +753,17 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
sdhci_set_power(host, ios->vdd);
ctrl = readb(host->ioaddr + SDHCI_HOST_CONTROL);
+
if (ios->bus_width == MMC_BUS_WIDTH_4)
ctrl |= SDHCI_CTRL_4BITBUS;
else
ctrl &= ~SDHCI_CTRL_4BITBUS;
+
+ if (ios->timing == MMC_TIMING_SD_HS)
+ ctrl |= SDHCI_CTRL_HISPD;
+ else
+ ctrl &= ~SDHCI_CTRL_HISPD;
+
writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL);
mmiowb();
@@ -994,7 +993,7 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id)
intmask = readl(host->ioaddr + SDHCI_INT_STATUS);
- if (!intmask) {
+ if (!intmask || intmask == 0xffffffff) {
result = IRQ_NONE;
goto out;
}
@@ -1080,6 +1079,13 @@ static int sdhci_suspend (struct pci_dev *pdev, pm_message_t state)
pci_save_state(pdev);
pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
+
+ for (i = 0;i < chip->num_slots;i++) {
+ if (!chip->hosts[i])
+ continue;
+ free_irq(chip->hosts[i]->irq, chip->hosts[i]);
+ }
+
pci_disable_device(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
@@ -1108,6 +1114,11 @@ static int sdhci_resume (struct pci_dev *pdev)
continue;
if (chip->hosts[i]->flags & SDHCI_USE_DMA)
pci_set_master(pdev);
+ ret = request_irq(chip->hosts[i]->irq, sdhci_irq,
+ IRQF_SHARED, chip->hosts[i]->slot_descr,
+ chip->hosts[i]);
+ if (ret)
+ return ret;
sdhci_init(chip->hosts[i]);
mmiowb();
ret = mmc_resume_host(chip->hosts[i]->mmc);
@@ -1274,6 +1285,9 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
mmc->f_max = host->max_clk;
mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE | MMC_CAP_BYTEBLOCK;
+ if (caps & SDHCI_CAN_DO_HISPD)
+ mmc->caps |= MMC_CAP_SD_HIGHSPEED;
+
mmc->ocr_avail = 0;
if (caps & SDHCI_CAN_VDD_330)
mmc->ocr_avail |= MMC_VDD_32_33|MMC_VDD_33_34;
@@ -1282,13 +1296,6 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
if (caps & SDHCI_CAN_VDD_180)
mmc->ocr_avail |= MMC_VDD_17_18|MMC_VDD_18_19;
- if ((host->max_clk > 25000000) && !(caps & SDHCI_CAN_DO_HISPD)) {
- printk(KERN_ERR "%s: Controller reports > 25 MHz base clock,"
- " but no high speed support.\n",
- host->slot_descr);
- mmc->f_max = 25000000;
- }
-
if (mmc->ocr_avail == 0) {
printk(KERN_ERR "%s: Hardware doesn't report any "
"support voltages.\n", host->slot_descr);