Messages in this thread Patch in this message | | | From | Haavard Skinnemoen <> | Subject | [PATCH 1/4] atmel-mci: debugfs: enable clock before dumping regs | Date | Fri, 19 Sep 2008 21:09:27 +0200 |
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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> --- drivers/mmc/host/atmel-mci.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index 0bd06f5..6de773d 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", -- 1.5.6.5
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