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atmel-mci: debugfs: enable clock before dumping regs

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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>
This commit is contained in:
Haavard Skinnemoen 2008-09-19 21:09:27 +02:00 committed by Pierre Ossman
parent fe246eb0b7
commit 87e60f2b80
1 changed files with 2 additions and 0 deletions
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2
drivers/mmc/host/atmel-mci.c
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@ -195,7 +195,9 @@ static int atmci_regs_show(struct seq_file *s, void *v)
/* Grab a more or less consistent snapshot */ /* Grab a more or less consistent snapshot */
spin_lock_irq(&host->mmc->lock); spin_lock_irq(&host->mmc->lock);
clk_enable(host->mck);
memcpy_fromio(buf, host->regs, MCI_REGS_SIZE); memcpy_fromio(buf, host->regs, MCI_REGS_SIZE);
clk_disable(host->mck);
spin_unlock_irq(&host->mmc->lock); spin_unlock_irq(&host->mmc->lock);
seq_printf(s, "MR:\t0x%08x%s%s CLKDIV=%u\n", seq_printf(s, "MR:\t0x%08x%s%s CLKDIV=%u\n",