* [PATCH v2] arm64: dts: renesas: r8a77990: ebisu: Enable HS400 of SDHI3 @ 2019-01-18 12:25 ` Simon Horman 0 siblings, 0 replies; 8+ messages in thread From: Simon Horman @ 2019-01-18 12:25 UTC (permalink / raw) To: linux-renesas-soc Cc: linux-arm-kernel, Magnus Damm, Wolfram Sang, Niklas Söderlund, Simon Horman Enable HS400 of SDHI3 using the corresponding DT property. No further changes are required. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> --- Tested on top of renesas-devel-20190110-v5.0-rc1 --- arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts index 89383aa35d65..144c0820cf60 100644 --- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts +++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts @@ -695,6 +695,7 @@ vmmc-supply = <®_3p3v>; vqmmc-supply = <®_1p8v>; mmc-hs200-1_8v; + mmc-hs400-1_8v; bus-width = <8>; non-removable; status = "okay"; -- 2.11.0 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH v2] arm64: dts: renesas: r8a77990: ebisu: Enable HS400 of SDHI3 @ 2019-01-18 12:25 ` Simon Horman 0 siblings, 0 replies; 8+ messages in thread From: Simon Horman @ 2019-01-18 12:25 UTC (permalink / raw) To: linux-renesas-soc Cc: Wolfram Sang, Niklas Söderlund, Magnus Damm, linux-arm-kernel, Simon Horman Enable HS400 of SDHI3 using the corresponding DT property. No further changes are required. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> --- Tested on top of renesas-devel-20190110-v5.0-rc1 --- arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts index 89383aa35d65..144c0820cf60 100644 --- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts +++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts @@ -695,6 +695,7 @@ vmmc-supply = <®_3p3v>; vqmmc-supply = <®_1p8v>; mmc-hs200-1_8v; + mmc-hs400-1_8v; bus-width = <8>; non-removable; status = "okay"; -- 2.11.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [PATCH v2] arm64: dts: renesas: r8a77990: ebisu: Enable HS400 of SDHI3 2019-01-18 12:25 ` Simon Horman @ 2019-01-18 13:31 ` Geert Uytterhoeven -1 siblings, 0 replies; 8+ messages in thread From: Geert Uytterhoeven @ 2019-01-18 13:31 UTC (permalink / raw) To: Simon Horman Cc: Linux-Renesas, Linux ARM, Magnus Damm, Wolfram Sang, Niklas Söderlund Hi Simon, On Fri, Jan 18, 2019 at 1:25 PM Simon Horman <horms+renesas@verge.net.au> wrote: > Enable HS400 of SDHI3 using the corresponding DT property. > No further changes are required. > > Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Using "hdparm -tT /dev/mmcblk0" HS200: Timing cached reads: 694 MB in 2.00 seconds = 346.60 MB/sec Timing buffered disk reads: 434 MB in 3.00 seconds = 144.56 MB/sec HS400: Timing cached reads: 696 MB in 2.00 seconds = 348.20 MB/sec Timing buffered disk reads: 446 MB in 3.00 seconds = 148.65 MB/sec No real difference. Note that "dd" gives me very fluctuating results (all for HS400): root@ebisu:~# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=128 iflag=direct 128+0 records in 128+0 records out 134217728 bytes (134 MB, 128 MiB) copied, 3.20103 s, 41.9 MB/s root@ebisu:~# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=128 iflag=direct 128+0 records in 128+0 records out 134217728 bytes (134 MB, 128 MiB) copied, 1.15324 s, 116 MB/s 128+0 records in 128+0 records out 134217728 bytes (134 MB, 128 MiB) copied, 1.82701 s, 73.5 MB/s Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v2] arm64: dts: renesas: r8a77990: ebisu: Enable HS400 of SDHI3 @ 2019-01-18 13:31 ` Geert Uytterhoeven 0 siblings, 0 replies; 8+ messages in thread From: Geert Uytterhoeven @ 2019-01-18 13:31 UTC (permalink / raw) To: Simon Horman Cc: Linux-Renesas, Wolfram Sang, Niklas Söderlund, Magnus Damm, Linux ARM Hi Simon, On Fri, Jan 18, 2019 at 1:25 PM Simon Horman <horms+renesas@verge.net.au> wrote: > Enable HS400 of SDHI3 using the corresponding DT property. > No further changes are required. > > Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Using "hdparm -tT /dev/mmcblk0" HS200: Timing cached reads: 694 MB in 2.00 seconds = 346.60 MB/sec Timing buffered disk reads: 434 MB in 3.00 seconds = 144.56 MB/sec HS400: Timing cached reads: 696 MB in 2.00 seconds = 348.20 MB/sec Timing buffered disk reads: 446 MB in 3.00 seconds = 148.65 MB/sec No real difference. Note that "dd" gives me very fluctuating results (all for HS400): root@ebisu:~# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=128 iflag=direct 128+0 records in 128+0 records out 134217728 bytes (134 MB, 128 MiB) copied, 3.20103 s, 41.9 MB/s root@ebisu:~# dd if=/dev/mmcblk0 of=/dev/null bs=1M count=128 iflag=direct 128+0 records in 128+0 records out 134217728 bytes (134 MB, 128 MiB) copied, 1.15324 s, 116 MB/s 128+0 records in 128+0 records out 134217728 bytes (134 MB, 128 MiB) copied, 1.82701 s, 73.5 MB/s Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v2] arm64: dts: renesas: r8a77990: ebisu: Enable HS400 of SDHI3 2019-01-18 12:25 ` Simon Horman @ 2019-01-19 22:22 ` Wolfram Sang -1 siblings, 0 replies; 8+ messages in thread From: Wolfram Sang @ 2019-01-19 22:22 UTC (permalink / raw) To: Simon Horman Cc: linux-renesas-soc, linux-arm-kernel, Magnus Damm, Wolfram Sang, Niklas Söderlund [-- Attachment #1: Type: text/plain, Size: 395 bytes --] On Fri, Jan 18, 2019 at 01:25:36PM +0100, Simon Horman wrote: > Enable HS400 of SDHI3 using the corresponding DT property. > No further changes are required. > > Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> We might need to find an explanation for the performance numbers, nontheless this patch is correct. [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 833 bytes --] ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v2] arm64: dts: renesas: r8a77990: ebisu: Enable HS400 of SDHI3 @ 2019-01-19 22:22 ` Wolfram Sang 0 siblings, 0 replies; 8+ messages in thread From: Wolfram Sang @ 2019-01-19 22:22 UTC (permalink / raw) To: Simon Horman Cc: linux-renesas-soc, Wolfram Sang, Niklas Söderlund, Magnus Damm, linux-arm-kernel [-- Attachment #1.1: Type: text/plain, Size: 395 bytes --] On Fri, Jan 18, 2019 at 01:25:36PM +0100, Simon Horman wrote: > Enable HS400 of SDHI3 using the corresponding DT property. > No further changes are required. > > Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> We might need to find an explanation for the performance numbers, nontheless this patch is correct. [-- Attachment #1.2: signature.asc --] [-- Type: application/pgp-signature, Size: 833 bytes --] [-- Attachment #2: Type: text/plain, Size: 176 bytes --] _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v2] arm64: dts: renesas: r8a77990: ebisu: Enable HS400 of SDHI3 2019-01-19 22:22 ` Wolfram Sang @ 2019-01-21 16:57 ` Simon Horman -1 siblings, 0 replies; 8+ messages in thread From: Simon Horman @ 2019-01-21 16:57 UTC (permalink / raw) To: Wolfram Sang Cc: linux-renesas-soc, linux-arm-kernel, Magnus Damm, Wolfram Sang, Niklas Söderlund On Sat, Jan 19, 2019 at 11:22:20PM +0100, Wolfram Sang wrote: > On Fri, Jan 18, 2019 at 01:25:36PM +0100, Simon Horman wrote: > > Enable HS400 of SDHI3 using the corresponding DT property. > > No further changes are required. > > > > Signed-off-by: Simon Horman <horms+renesas@verge.net.au> > > Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> > > We might need to find an explanation for the performance numbers, > nontheless this patch is correct. Thanks, I think we can queue this up for mainline and I have done so for v5.1. ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v2] arm64: dts: renesas: r8a77990: ebisu: Enable HS400 of SDHI3 @ 2019-01-21 16:57 ` Simon Horman 0 siblings, 0 replies; 8+ messages in thread From: Simon Horman @ 2019-01-21 16:57 UTC (permalink / raw) To: Wolfram Sang Cc: linux-renesas-soc, Wolfram Sang, Niklas Söderlund, Magnus Damm, linux-arm-kernel On Sat, Jan 19, 2019 at 11:22:20PM +0100, Wolfram Sang wrote: > On Fri, Jan 18, 2019 at 01:25:36PM +0100, Simon Horman wrote: > > Enable HS400 of SDHI3 using the corresponding DT property. > > No further changes are required. > > > > Signed-off-by: Simon Horman <horms+renesas@verge.net.au> > > Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> > > We might need to find an explanation for the performance numbers, > nontheless this patch is correct. Thanks, I think we can queue this up for mainline and I have done so for v5.1. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2019-01-21 16:57 UTC | newest] Thread overview: 8+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2019-01-18 12:25 [PATCH v2] arm64: dts: renesas: r8a77990: ebisu: Enable HS400 of SDHI3 Simon Horman 2019-01-18 12:25 ` Simon Horman 2019-01-18 13:31 ` Geert Uytterhoeven 2019-01-18 13:31 ` Geert Uytterhoeven 2019-01-19 22:22 ` Wolfram Sang 2019-01-19 22:22 ` Wolfram Sang 2019-01-21 16:57 ` Simon Horman 2019-01-21 16:57 ` Simon Horman
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