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authorHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-09-19 21:09:27 +0200
committerPierre Ossman <drzeus@drzeus.cx>2008-09-20 12:11:29 +0200
commit87e60f2b80202575a23fa1bf56c6eb3b419c480a (patch)
tree290d3f6544b60af7fbede6cea481540263839095
parentfe246eb0b7f2e995c4f172f360bc4e86baccaafe (diff)
downloadlinux-linaro-android-87e60f2b80202575a23fa1bf56c6eb3b419c480a.tar.gz
atmel-mci: debugfs: enable clock before dumping regs
Make sure that the peripheral clock is enabled before reading the MMIO registers for the debugfs "regs" dump. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
-rw-r--r--drivers/mmc/host/atmel-mci.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 0bd06f5bd62..6de773d3a0c 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -195,7 +195,9 @@ static int atmci_regs_show(struct seq_file *s, void *v)
/* Grab a more or less consistent snapshot */
spin_lock_irq(&host->mmc->lock);
+ clk_enable(host->mck);
memcpy_fromio(buf, host->regs, MCI_REGS_SIZE);
+ clk_disable(host->mck);
spin_unlock_irq(&host->mmc->lock);
seq_printf(s, "MR:\t0x%08x%s%s CLKDIV=%u\n",