mmc: sdhci: introduce sdhci_update_clock helper to re-enable clock
There are three places where same piece of code is used. Let's split it
to a separate function.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index b930767..336ab06 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1189,6 +1189,15 @@
host->clock = clock;
}
+static inline void sdhci_update_clock(struct sdhci_host *host)
+{
+ unsigned int clock;
+
+ clock = host->clock;
+ host->clock = 0;
+ sdhci_set_clock(host, clock);
+}
+
static int sdhci_set_power(struct sdhci_host *host, unsigned short power)
{
u8 pwr = 0;
@@ -1418,7 +1427,6 @@
if (host->version >= SDHCI_SPEC_300) {
u16 clk, ctrl_2;
- unsigned int clock;
/* In case of UHS-I modes, set High Speed Enable */
if ((ios->timing == MMC_TIMING_MMC_HS200) ||
@@ -1458,9 +1466,7 @@
sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
/* Re-enable SD Clock */
- clock = host->clock;
- host->clock = 0;
- sdhci_set_clock(host, clock);
+ sdhci_update_clock(host);
}
@@ -1491,9 +1497,7 @@
}
/* Re-enable SD Clock */
- clock = host->clock;
- host->clock = 0;
- sdhci_set_clock(host, clock);
+ sdhci_update_clock(host);
} else
sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
@@ -2083,14 +2087,9 @@
(host->quirks & SDHCI_QUIRK_RESET_AFTER_REQUEST))) {
/* Some controllers need this kick or reset won't work here */
- if (host->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET) {
- unsigned int clock;
-
+ if (host->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET)
/* This is to force an update */
- clock = host->clock;
- host->clock = 0;
- sdhci_set_clock(host, clock);
- }
+ sdhci_update_clock(host);
/* Spec says we should do both at the same time, but Ricoh
controllers do not like that. */