mmc: sdhci-s3c: Fix base clock source management
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Reviews trailers per patch
| Patch | Jaehoon Chung |
|---|---|
| Series | T-b |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [PATCH 0/6] mmc: sdhci-s3c: Fix base clock source management
Hi, All.
Quoted 9 lines · Heiko Stübner
Am Samstag, 11. Januar 2014, 22:39:00 schrieb Tomasz Figa:
Quoted 8 lines
Tested on S3C6410-based Mini6410 board, with following performance figures:
* Before this series (133 MHz HCLK always selected, leading to at most 33 MHz card clock):
root@tiny6410:~# hdparm -t /dev/mmcblk0
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/dev/mmcblk0:
Timing buffered disk reads: 42 MB in 3.10 seconds = 13.54 MB/sec# hdparm -t /dev/mmcblk0
/dev/mmcblk0:
Timing buffered disk reads: 44 MB in 3.12 seconds = 14.11 MB/sec
/dev/mmcblk0:
Timing buffered disk reads: 38 MB in 3.14 seconds = 12.12 MB/sec
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* After this series (48 MHz EPLL clock selected, leading to 48 MHz card clock):
root@tiny6410:~# hdparm -t /dev/mmcblk0
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/dev/mmcblk0:
Timing buffered disk reads: 56 MB in 3.04 seconds = 18.41 MB/sec# hdparm -t /dev/mmcblk0
/dev/mmcblk0:
Timing buffered disk reads: 48 MB in 3.01 seconds = 15.94 MB/sec
/dev/mmcblk0:
Timing buffered disk reads: 56 MB in 3.05 seconds = 18.35 MB/sec
Quoted 5 lines
So on a s3c2416:
Tested-by Heiko Stuebner <[email protected]>Acked-by Heiko Stuebner <[email protected]>
Tested with exynos4 board.
Acked-by; Jaehoon Chung <[email protected]>
Best Regards,
Jaehoon Chung
Quoted 11 lines
Thanks for the added bandwidth :-)
Heiko_______________________________________________
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