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mmc: mvsdio: avoid compiler warning

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gcc correctly points out that hw_state can be used uninitially
in the mvsd_setup_data() function. This rearranges the function
to ensure it always contains a proper value.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Chris Ball <chris@printf.net>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: linux-mmc@vger.kernel.org
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Arnd Bergmann 2014-06-05 23:14:39 +02:00 committed by Ulf Hansson
parent bf614c7a21
commit d7fe833f3f
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/host/mvsdio.c
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@ -79,11 +79,11 @@ static int mvsd_setup_data(struct mvsd_host *host, struct mmc_data *data)
unsigned long t = jiffies + HZ; unsigned long t = jiffies + HZ;
unsigned int hw_state, count = 0; unsigned int hw_state, count = 0;
do { do {
hw_state = mvsd_read(MVSD_HW_STATE);
if (time_after(jiffies, t)) { if (time_after(jiffies, t)) {
dev_warn(host->dev, "FIFO_EMPTY bit missing\n"); dev_warn(host->dev, "FIFO_EMPTY bit missing\n");
break; break;
} }
hw_state = mvsd_read(MVSD_HW_STATE);
count++; count++;
} while (!(hw_state & (1 << 13))); } while (!(hw_state & (1 << 13)));
dev_dbg(host->dev, "*** wait for FIFO_EMPTY bit " dev_dbg(host->dev, "*** wait for FIFO_EMPTY bit "