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MMC host:

Browse source 
- sdhci-pci: Fix voltage switch for some Intel host controllers
  - tmio: remove broken and noisy debug macro
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Merge tag 'mmc-v4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC fixes from Ulf Hansson:

  - sdhci-pci: Fix voltage switch for some Intel host controllers

  - tmio: remove broken and noisy debug macro

* tag 'mmc-v4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: sdhci-pci: Fix voltage switch for some Intel host controllers
  mmc: tmio: remove broken and noisy debug macro
This commit is contained in:
Linus Torvalds 2017-09-26 16:54:22 -07:00
commit dc972a67cc
2 changed files with 15 additions and 47 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
drivers/mmc/host/sdhci-pci-core.c
View file

@ -392,6 +392,7 @@ static const struct sdhci_pci_fixes sdhci_intel_pch_sdio = {
enum {
INTEL_DSM_FNS = 0,
INTEL_DSM_V18_SWITCH = 3,
INTEL_DSM_DRV_STRENGTH = 9,
INTEL_DSM_D3_RETUNE = 10,
};
@ -557,6 +558,19 @@ static void intel_hs400_enhanced_strobe(struct mmc_host *mmc,
sdhci_writel(host, val, INTEL_HS400_ES_REG);
}
static void sdhci_intel_voltage_switch(struct sdhci_host *host)
{
struct sdhci_pci_slot *slot = sdhci_priv(host);
struct intel_host *intel_host = sdhci_pci_priv(slot);
struct device *dev = &slot->chip->pdev->dev;
u32 result = 0;
int err;
err = intel_dsm(intel_host, dev, INTEL_DSM_V18_SWITCH, &result);
pr_debug("%s: %s DSM error %d result %u\n",
mmc_hostname(host->mmc), __func__, err, result);
}
static const struct sdhci_ops sdhci_intel_byt_ops = {
.set_clock = sdhci_set_clock,
.set_power = sdhci_intel_set_power,
@ -565,6 +579,7 @@ static const struct sdhci_ops sdhci_intel_byt_ops = {
.reset = sdhci_reset,
.set_uhs_signaling = sdhci_set_uhs_signaling,
.hw_reset = sdhci_pci_hw_reset,
.voltage_switch = sdhci_intel_voltage_switch,
};
static void byt_read_dsm(struct sdhci_pci_slot *slot)

47
drivers/mmc/host/tmio_mmc_core.c
View file

@ -129,50 +129,6 @@ static int tmio_mmc_next_sg(struct tmio_mmc_host *host)
#define CMDREQ_TIMEOUT 5000
#ifdef CONFIG_MMC_DEBUG
#define STATUS_TO_TEXT(a, status, i) \
do { \
if ((status) & TMIO_STAT_##a) { \
if ((i)++) \
printk(KERN_DEBUG " | "); \
printk(KERN_DEBUG #a); \
} \
} while (0)
static void pr_debug_status(u32 status)
{
int i = 0;
pr_debug("status: %08x = ", status);
STATUS_TO_TEXT(CARD_REMOVE, status, i);
STATUS_TO_TEXT(CARD_INSERT, status, i);
STATUS_TO_TEXT(SIGSTATE, status, i);
STATUS_TO_TEXT(WRPROTECT, status, i);
STATUS_TO_TEXT(CARD_REMOVE_A, status, i);
STATUS_TO_TEXT(CARD_INSERT_A, status, i);
STATUS_TO_TEXT(SIGSTATE_A, status, i);
STATUS_TO_TEXT(CMD_IDX_ERR, status, i);
STATUS_TO_TEXT(STOPBIT_ERR, status, i);
STATUS_TO_TEXT(ILL_FUNC, status, i);
STATUS_TO_TEXT(CMD_BUSY, status, i);
STATUS_TO_TEXT(CMDRESPEND, status, i);
STATUS_TO_TEXT(DATAEND, status, i);
STATUS_TO_TEXT(CRCFAIL, status, i);
STATUS_TO_TEXT(DATATIMEOUT, status, i);
STATUS_TO_TEXT(CMDTIMEOUT, status, i);
STATUS_TO_TEXT(RXOVERFLOW, status, i);
STATUS_TO_TEXT(TXUNDERRUN, status, i);
STATUS_TO_TEXT(RXRDY, status, i);
STATUS_TO_TEXT(TXRQ, status, i);
STATUS_TO_TEXT(ILL_ACCESS, status, i);
printk("\n");
}
#else
#define pr_debug_status(s) do { } while (0)
#endif
static void tmio_mmc_enable_sdio_irq(struct mmc_host *mmc, int enable)
{
struct tmio_mmc_host *host = mmc_priv(mmc);
@ -762,9 +718,6 @@ irqreturn_t tmio_mmc_irq(int irq, void *devid)
status = sd_ctrl_read16_and_16_as_32(host, CTL_STATUS);
ireg = status & TMIO_MASK_IRQ & ~host->sdcard_irq_mask;
pr_debug_status(status);
pr_debug_status(ireg);
/* Clear the status except the interrupt status */
sd_ctrl_write32_as_16_and_16(host, CTL_STATUS, TMIO_MASK_IRQ);