Re: [PATCH 08/11] mmc: core: Parse the SD SCR register for support of... | linux-block

[PATCH 00/11] Initital support for new power/perf features for SD cards · Ulf Hansson <hidden> · 2021-05-04
[PATCH 01/11] mmc: core: Drop open coding when preparing commands with busy signaling · Ulf Hansson <hidden> · 2021-05-04
Re: [PATCH 01/11] mmc: core: Drop open coding when preparing commands with busy signaling · Linus Walleij <hidden> · 2021-05-06
Re: [PATCH 01/11] mmc: core: Drop open coding when preparing commands with busy signaling · Shawn Lin <shawn.lin@rock-chips.com> · 2021-05-07
[PATCH 02/11] mmc: core: Take into account MMC_CAP_NEED_RSP_BUSY for eMMC HPI commands · Ulf Hansson <hidden> · 2021-05-04
Re: [PATCH 02/11] mmc: core: Take into account MMC_CAP_NEED_RSP_BUSY for eMMC HPI commands · Linus Walleij <hidden> · 2021-05-06
Re: [PATCH 02/11] mmc: core: Take into account MMC_CAP_NEED_RSP_BUSY for eMMC HPI commands · Shawn Lin <shawn.lin@rock-chips.com> · 2021-05-07
[PATCH 03/11] mmc: core: Re-structure some code in __mmc_poll_for_busy() · Ulf Hansson <hidden> · 2021-05-04
Re: [PATCH 03/11] mmc: core: Re-structure some code in __mmc_poll_for_busy() · Linus Walleij <hidden> · 2021-05-06
Re: [PATCH 03/11] mmc: core: Re-structure some code in __mmc_poll_for_busy() · Shawn Lin <shawn.lin@rock-chips.com> · 2021-05-07
[PATCH 04/11] mmc: core: Extend re-use of __mmc_poll_for_busy() · Ulf Hansson <hidden> · 2021-05-04
Re: [PATCH 04/11] mmc: core: Extend re-use of __mmc_poll_for_busy() · Linus Walleij <hidden> · 2021-05-06
Re: [PATCH 04/11] mmc: core: Extend re-use of __mmc_poll_for_busy() · Shawn Lin <shawn.lin@rock-chips.com> · 2021-05-07
[PATCH 05/11] mmc: core: Enable eMMC sleep commands to use HW busy polling · Ulf Hansson <hidden> · 2021-05-04
Re: [PATCH 05/11] mmc: core: Enable eMMC sleep commands to use HW busy polling · Linus Walleij <hidden> · 2021-05-06
Re: [PATCH 05/11] mmc: core: Enable eMMC sleep commands to use HW busy polling · Shawn Lin <shawn.lin@rock-chips.com> · 2021-05-07
[PATCH 06/11] mmc: core: Prepare mmc_send_cxd_data() to be re-used for additional cmds · Ulf Hansson <hidden> · 2021-05-04
Re: [PATCH 06/11] mmc: core: Prepare mmc_send_cxd_data() to be re-used for additional cmds · Linus Walleij <hidden> · 2021-05-06
Re: [PATCH 06/11] mmc: core: Prepare mmc_send_cxd_data() to be re-used for additional cmds · Linus Walleij <hidden> · 2021-05-06
Re: [PATCH 06/11] mmc: core: Prepare mmc_send_cxd_data() to be re-used for additional cmds · Ulf Hansson <hidden> · 2021-05-07
Re: [PATCH 06/11] mmc: core: Prepare mmc_send_cxd_data() to be re-used for additional cmds · Shawn Lin <shawn.lin@rock-chips.com> · 2021-05-07
[PATCH 07/11] mmc: core: Drop open coding in mmc_sd_switch() · Ulf Hansson <hidden> · 2021-05-04
Re: [PATCH 07/11] mmc: core: Drop open coding in mmc_sd_switch() · Linus Walleij <hidden> · 2021-05-06
Re: [PATCH 07/11] mmc: core: Drop open coding in mmc_sd_switch() · Shawn Lin <shawn.lin@rock-chips.com> · 2021-05-07
[PATCH 08/11] mmc: core: Parse the SD SCR register for support of CMD48/49 and CMD58/59 · Ulf Hansson <hidden> · 2021-05-04
Re: [PATCH 08/11] mmc: core: Parse the SD SCR register for support of CMD48/49 and CMD58/59 · Linus Walleij <hidden> · 2021-05-06
Re: [PATCH 08/11] mmc: core: Parse the SD SCR register for support of CMD48/49 and CMD58/59 · Shawn Lin <shawn.lin@rock-chips.com> · 2021-05-07
[PATCH 09/11] mmc: core: Read the SD function extension registers for power management · Ulf Hansson <hidden> · 2021-05-04
Re: [PATCH 09/11] mmc: core: Read the SD function extension registers for power management · Linus Walleij <hidden> · 2021-05-06
Re: [PATCH 09/11] mmc: core: Read the SD function extension registers for power management · Shawn Lin <shawn.lin@rock-chips.com> · 2021-05-07
Re: [PATCH 09/11] mmc: core: Read the SD function extension registers for power management · Ulf Hansson <hidden> · 2021-05-07
Re: [PATCH 09/11] mmc: core: Read the SD function extension registers for power management · Shawn Lin <shawn.lin@rock-chips.com> · 2021-05-07
Re: [PATCH 09/11] mmc: core: Read the SD function extension registers for power management · Ulf Hansson <hidden> · 2021-05-07
[PATCH 10/11] mmc: core: Read performance enhancements registers for SD cards · Ulf Hansson <hidden> · 2021-05-04
Re: [PATCH 10/11] mmc: core: Read performance enhancements registers for SD cards · Linus Walleij <hidden> · 2021-05-06
[PATCH 11/11] mmc: core: Add support for Power Off Notification for SD cards · Ulf Hansson <hidden> · 2021-05-04
Re: [PATCH 11/11] mmc: core: Add support for Power Off Notification for SD cards · Linus Walleij <hidden> · 2021-05-06
RE: [PATCH 00/11] Initital support for new power/perf features for SD cards · Avri Altman <Avri.Altman@wdc.com> · 2021-05-07
Re: [PATCH 00/11] Initital support for new power/perf features for SD cards · Ulf Hansson <hidden> · 2021-05-07
Re: [PATCH 00/11] Initital support for new power/perf features for SD cards · Ulf Hansson <hidden> · 2021-05-11

Re: [PATCH 08/11] mmc: core: Parse the SD SCR register for support of CMD48/49 and CMD58/59

From: Linus Walleij <hidden>
Date: 2021-05-06 13:01:17
Also in: linux-mmc, lkml

On Tue, May 4, 2021 at 6:12 PM Ulf Hansson [off-list ref] wrote:

In SD spec v4.x the support for CMD48/49 and CMD58/59 were introduced as
optional features. To let the card announce whether it supports the
commands, the SCR register has been extended with corresponding support
bits. Let's parse and store this information for later use.

Signed-off-by: Ulf Hansson <redacted>

Reviewed-by: Linus Walleij <redacted>

Yours,
Linus Walleij

`h`	back out one level
`j`	next message in thread
`k`	previous message in thread
`l`	drill in
`Esc`	close help / fold thread tree
`?`	toggle this help