mmc: sdhci-pci: Get rid of glk_cqe_enable()
authorAdrian Hunter <adrian.hunter@intel.com>
Wed, 14 Feb 2018 13:57:44 +0000 (15:57 +0200)
committerUlf Hansson <ulf.hansson@linaro.org>
Mon, 5 Mar 2018 12:04:31 +0000 (13:04 +0100)
Now that tuning no longer leaves the Buffer Read Enable bit set (refer
intel_execute_tuning()), glk_cqe_enable() is no longer needed. Get rid of
it.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/sdhci-pci-core.c

index 82c4f05..ce21d86 100644 (file)
@@ -712,26 +712,8 @@ static int glk_emmc_probe_slot(struct sdhci_pci_slot *slot)
        return ret;
 }
 
-static void glk_cqe_enable(struct mmc_host *mmc)
-{
-       struct sdhci_host *host = mmc_priv(mmc);
-       u32 reg;
-
-       /*
-        * CQE gets stuck if it sees Buffer Read Enable bit set, which can be
-        * the case after tuning, so ensure the buffer is drained.
-        */
-       reg = sdhci_readl(host, SDHCI_PRESENT_STATE);
-       while (reg & SDHCI_DATA_AVAILABLE) {
-               sdhci_readl(host, SDHCI_BUFFER);
-               reg = sdhci_readl(host, SDHCI_PRESENT_STATE);
-       }
-
-       sdhci_cqe_enable(mmc);
-}
-
 static const struct cqhci_host_ops glk_cqhci_ops = {
-       .enable         = glk_cqe_enable,
+       .enable         = sdhci_cqe_enable,
        .disable        = sdhci_cqe_disable,
        .dumpregs       = sdhci_pci_dumpregs,
 };