Re: [linux-sunxi] [PATCH 0/2] clk: sunxi-ng: sun50i: a64: Add 2x fixed post-divider to MMC module clocks

2017-12-04 Thread Chen-Yu Tsai
On Tue, Dec 5, 2017 at 7:25 AM, André Przywara wrote: > On 04/12/17 05:19, Chen-Yu Tsai wrote: >> Hi, >> >> This is a small fix to get MMC performance up to proper speeds on the > > Maybe a small fix for a skilled developer, but a giant leap for all > users ;-) > MMC

Re: [linux-sunxi] [PATCH 0/2] clk: sunxi-ng: sun50i: a64: Add 2x fixed post-divider to MMC module clocks

2017-12-04 Thread Chen-Yu Tsai
On Tue, Dec 5, 2017 at 7:25 AM, André Przywara wrote: > On 04/12/17 05:19, Chen-Yu Tsai wrote: >> Hi, >> >> This is a small fix to get MMC performance up to proper speeds on the > > Maybe a small fix for a skilled developer, but a giant leap for all > users ;-) > MMC performance goes from:

Re: [linux-sunxi] [PATCH 0/2] clk: sunxi-ng: sun50i: a64: Add 2x fixed post-divider to MMC module clocks

2017-12-04 Thread André Przywara
On 04/12/17 05:19, Chen-Yu Tsai wrote: > Hi, > > This is a small fix to get MMC performance up to proper speeds on the Maybe a small fix for a skilled developer, but a giant leap for all users ;-) MMC performance goes from: (4.15-rc1) SD: Timing buffered disk reads: 36 MB in 3.17 seconds =

Re: [linux-sunxi] [PATCH 0/2] clk: sunxi-ng: sun50i: a64: Add 2x fixed post-divider to MMC module clocks

2017-12-04 Thread André Przywara
On 04/12/17 05:19, Chen-Yu Tsai wrote: > Hi, > > This is a small fix to get MMC performance up to proper speeds on the Maybe a small fix for a skilled developer, but a giant leap for all users ;-) MMC performance goes from: (4.15-rc1) SD: Timing buffered disk reads: 36 MB in 3.17 seconds =

[PATCH 0/2] clk: sunxi-ng: sun50i: a64: Add 2x fixed post-divider to MMC module clocks

2017-12-03 Thread Chen-Yu Tsai
Hi, This is a small fix to get MMC performance up to proper speeds on the A64. According to the BSP kernel, the MMC module clocks have a /2 fixed post-divider between the clock output and the MMC module, like what we've seen with the "new MMC timing mode" on the A83T, but the A64 does not have

[PATCH 0/2] clk: sunxi-ng: sun50i: a64: Add 2x fixed post-divider to MMC module clocks

2017-12-03 Thread Chen-Yu Tsai
Hi, This is a small fix to get MMC performance up to proper speeds on the A64. According to the BSP kernel, the MMC module clocks have a /2 fixed post-divider between the clock output and the MMC module, like what we've seen with the "new MMC timing mode" on the A83T, but the A64 does not have