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Subject[PATCH 2/4] mmc: sdhci-omap: Add variable to indicate host is tuning
Date
Add a variable in sdhc_omap_host to indicate whether a tuning
operation is ongoing.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
---
drivers/mmc/host/sdhci-omap.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c
index 87138067e334..cfffcf58be3f 100644
--- a/drivers/mmc/host/sdhci-omap.c
+++ b/drivers/mmc/host/sdhci-omap.c
@@ -115,6 +115,7 @@ struct sdhci_omap_host {

struct pinctrl *pinctrl;
struct pinctrl_state **pinctrl_state;
+ bool is_tuning;
};

static void sdhci_omap_start_clock(struct sdhci_omap_host *omap_host);
@@ -318,6 +319,8 @@ static int sdhci_omap_execute_tuning(struct mmc_host *mmc, u32 opcode)
*/
host->ier &= ~SDHCI_INT_DATA_CRC;

+ omap_host->is_tuning = true;
+
while (phase_delay <= MAX_PHASE_DELAY) {
sdhci_omap_set_dll(omap_host, phase_delay);

@@ -355,9 +358,12 @@ static int sdhci_omap_execute_tuning(struct mmc_host *mmc, u32 opcode)
phase_delay = max_window + 4 * (max_len >> 1);
sdhci_omap_set_dll(omap_host, phase_delay);

+ omap_host->is_tuning = false;
+
goto ret;

tuning_error:
+ omap_host->is_tuning = false;
dev_err(dev, "Tuning failed\n");
sdhci_omap_disable_tuning(omap_host);

--
2.19.1
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