tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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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>

authored by Haavard Skinnemoen and committed by Pierre Ossman 87e60f2b fe246eb0

+2
unified split
+2
drivers/mmc/host/atmel-mci.c
··· 195 196 /* Grab a more or less consistent snapshot */ 197 spin_lock_irq(&host->mmc->lock); 198 memcpy_fromio(buf, host->regs, MCI_REGS_SIZE); 199 spin_unlock_irq(&host->mmc->lock); 200 201 seq_printf(s, "MR:\t0x%08x%s%s CLKDIV=%u\n",
··· 195 196 /* Grab a more or less consistent snapshot */ 197 spin_lock_irq(&host->mmc->lock); 198 + clk_enable(host->mck); 199 memcpy_fromio(buf, host->regs, MCI_REGS_SIZE); 200 + clk_disable(host->mck); 201 spin_unlock_irq(&host->mmc->lock); 202 203 seq_printf(s, "MR:\t0x%08x%s%s CLKDIV=%u\n",