Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
nand/denali: use cpu_relax() while waiting for hardware interrupt
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
authored by Chuanxiao Dong and committed by David Woodhouse 628bfd41 f0bc0c77
+2
-2
drivers/mtd/nand/denali.c
+2
-2
drivers/mtd/nand/denali.c
···
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iowrite32(device_reset_banks[i],
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denali->flash_reg + DEVICE_RESET);
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while (!(ioread32(denali->flash_reg +
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-
intr_status_addresses[i]) &
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+
intr_status_addresses[i]) &
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(reset_complete[i] | operation_timeout[i])))
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-
;
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+
cpu_relax();
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if (ioread32(denali->flash_reg + intr_status_addresses[i]) &
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operation_timeout[i])
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dev_dbg(&denali->dev->dev,