mmc: sdhci-msm: add default qos
If cpu-dma-latency is not defined in dts files, set it
to 200usec
Change-Id: I27b0357b4d88842a258332250bae66efac3ee5e2
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index dc3b98c..dd86578 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -200,6 +200,7 @@
bool set_voltage_sup;
};
+#define MSM_MMC_DEFAULT_CPU_DMA_LATENCY 200 /* usecs */
/*
* This structure keeps information for all the
* regulators required for a SDCC slot.
@@ -1297,7 +1298,8 @@
if (!of_property_read_u32(np, "qcom,cpu-dma-latency-us",
&cpu_dma_latency))
pdata->cpu_dma_latency_us = cpu_dma_latency;
-
+ else
+ pdata->cpu_dma_latency_us = MSM_MMC_DEFAULT_CPU_DMA_LATENCY;
if (sdhci_msm_dt_get_array(dev, "qcom,clk-rates",
&clk_table, &clk_table_len, 0)) {
dev_err(dev, "failed parsing supported clock rates\n");