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mmc: tmio: refactor set_clock a little

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Some of the indentation made the code awful to read. Fix that. Also,
introduce defines instead of magic hex values. Note that this includes
one change: We mask out know 0xff instead of 0x1ff. But 0x100 has always
been the clock enable bit. It doesn't make any sense to set it depending
on the clock calculation. Update copyright notices, too. I'll be working
on those files some more in the future.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Wolfram Sang 2016-01-19 12:32:58 +01:00 • committed by Ulf Hansson
parent 16a6552489
commit bf96208f05
2 changed files with 14 additions and 6 deletions
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5
include/linux/mmc/tmio.h
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@ -1,6 +1,8 @@
/*
* include/linux/mmc/tmio.h
*
* Copyright (C) 2016 Sang Engineering, Wolfram Sang
* Copyright (C) 2015-16 Renesas Electronics Corporation
* Copyright (C) 2007 Ian Molton
* Copyright (C) 2004 Ian Molton
*
@ -61,6 +63,9 @@
#define TMIO_STAT_CMD_BUSY 0x40000000
#define TMIO_STAT_ILL_ACCESS 0x80000000
#define CLK_CTL_DIV_MASK 0xff
#define CLK_CTL_SCLKEN BIT(8)
#define TMIO_BBS 512 /* Boot block size */
#endif /* LINUX_MMC_TMIO_H */