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From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RFC 07/31] mmc: sdhci: push card_tasklet into threaded irq handler
Date: Wed, 19 Feb 2014 09:43:22 +0000	[thread overview]
Message-ID: <20140219094322.GR21483@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <CAKohpoknX=acZHJeydwv6XRKFHTD4DM84xfCJ=56NrRfJnBOOA@mail.gmail.com>

On Wed, Feb 19, 2014 at 11:43:19AM +0530, Viresh Kumar wrote:
> Adding ST people as well who have access to boards and are working on SPEAr.
> 
> On 18 February 2014 23:27, Russell King - ARM Linux
> <linux@arm.linux.org.uk> wrote:
> > 1) You're controlling the card power GPIO via the insertion/removal
> >    interrupt handler?  What's wrong with using a vmmc regulator for
> >    that, which will be controlled via the MMC subsystem as required?
> 
> Haven't explored that earlier.. Maybe its possible but no idea.
> The requirements were like this:
> - We may or maynot need a GPIO for controlling power
> - If we need it, we may need to disable/enable power with card removal/
> insertion Or we may need to keep it enabled for ever..

So how is this any different from any other system which controls power to
the MMC/SD socket?

-- 
FTTC broadband for 0.8mile line: 5.8Mbps down 500kbps up.  Estimation
in database were 13.1 to 19Mbit for a good line, about 7.5+ for a bad.
Estimate before purchase was "up to 13.2Mbit".

  reply	other threads:[~2014-02-19  9:43 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-18 15:08 [PATCH RFC 00/31] SDHCI and SDIO IRQ improvements Russell King - ARM Linux
2014-02-18 15:09 ` [PATCH RFC 01/31] genirq: Provide synchronize_hardirq() Russell King
2014-02-18 15:09 ` [PATCH RFC 02/31] genirq: Provide irq_wake_thread() Russell King
2014-02-18 15:09 ` [PATCH RFC 03/31] mmc: sdio_irq: rework sdio irq handling Russell King
2014-02-19  3:40   ` Nicolas Pitre
2014-02-19  9:44     ` Russell King - ARM Linux
2014-02-18 15:09 ` [PATCH RFC 04/31] mmc: sdhci: clean up interrupt handling Russell King
2014-02-18 15:09 ` [PATCH RFC 05/31] mmc: sdhci: clean up sdio interrupt enable handling Russell King
2014-02-18 15:09 ` [PATCH RFC 06/31] mmc: sdhci: convert to new SDIO IRQ handling Russell King
2014-02-18 15:09 ` [PATCH RFC 07/31] mmc: sdhci: push card_tasklet into threaded irq handler Russell King
2014-02-18 17:57   ` Russell King - ARM Linux
2014-02-19  6:13     ` Viresh Kumar
2014-02-19  9:43       ` Russell King - ARM Linux [this message]
2014-02-19  9:48         ` Viresh Kumar
2014-02-19  9:52           ` Russell King - ARM Linux
2014-02-19 10:09             ` Viresh Kumar
2014-02-19 10:50               ` Russell King - ARM Linux
2014-02-19 10:55                 ` Viresh Kumar
2014-02-20 10:59                   ` Russell King - ARM Linux
2014-02-20 11:18                     ` Viresh Kumar
2014-02-21 10:37                       ` Russell King - ARM Linux
2014-02-21 10:41                         ` [PATCH 1/5] mmc: sdhci-spear: fix error handling paths for DT Russell King
2014-02-24  5:59                           ` Viresh Kumar
2014-02-21 10:41                         ` [PATCH 2/5] mmc: sdhci-spear: fix platform_data usage Russell King
2014-02-21 10:41                         ` [PATCH 3/5] mmc: sdhci-spear: simplify resource handling Russell King
2014-02-21 10:41                         ` [PATCH 4/5] mmc: sdhci-spear: remove support for power gpio Russell King
2014-02-21 10:41                         ` [PATCH 5/5] mmc: sdhci-spear: use generic card detection gpio support Russell King
2014-02-24  6:11                           ` Pratyush Anand
2014-02-22 18:27                         ` [PATCH RFC 07/31] mmc: sdhci: push card_tasklet into threaded irq handler Chris Ball
2014-02-22 19:05                           ` Russell King - ARM Linux
2014-02-22 19:11                             ` Chris Ball
2014-02-18 15:09 ` [PATCH RFC 08/31] mmc: sdhci: allow sdio interrupts while sdhci runtime suspended Russell King
2014-02-18 15:09 ` [PATCH RFC 09/31] mmc: sdhci: more efficient interrupt enable register handling Russell King
2014-02-18 15:09 ` [PATCH RFC 10/31] mmc: sdhci: plug hole in disabling card detection interrupts Russell King
2014-02-18 15:09 ` [PATCH RFC 11/31] mmc: sdhci: convert generic bus width setup to library function Russell King
2014-02-18 15:10 ` [PATCH RFC 12/31] mmc: sdhci: convert reset into a " Russell King
2014-02-18 15:10 ` [PATCH RFC 13/31] mmc: sdhci: move FSL ESDHC reset handling quirk into esdhc code Russell King
2014-02-18 15:10 ` [PATCH RFC 14/31] mmc: sdhci: avoid sync'ing the SG if there's no misalignment Russell King
2014-02-18 15:10 ` [PATCH RFC 15/31] mmc: sdhci: convert ADMA descriptors to a coherent allocation Russell King
2014-02-18 15:10 ` [PATCH RFC 16/31] mmc: sdhci: clean up sdhci_update_clock()/sdhci_set_clock() Russell King
2014-02-18 15:10 ` [PATCH RFC 17/31] mmc: sdhci: move setting host->clock into sdhci_do_set_ios() Russell King
2014-02-18 15:10 ` [PATCH RFC 18/31] mmc: sdhci: move setting mmc->actual_clock into set_clock handlers Russell King
2014-02-18 15:10 ` [PATCH RFC 19/31] mmc: sdhci: convert sdhci_set_clock() into a library function Russell King
2014-02-18 15:10 ` [PATCH RFC 20/31] mmc: sdhci-esdhc-imx: avoid DMA to kernel stack Russell King
2014-02-18 15:10 ` [PATCH RFC 21/31] mmc: sdhci-esdhc-imx: avoid runtime_pm_get_sync() in esdhc_prepare_tuning() Russell King
2014-02-18 15:10 ` [PATCH RFC 22/31] mmc: sdhci-esdhc-imx: fix lockdep splat upon tuning Russell King
2014-02-18 15:11 ` [PATCH RFC 23/31] mmc: sdhci: hack up driver to make it more compliant with UHS-1 Russell King
2014-02-18 15:11 ` [PATCH RFC 24/31] mmc: sdhci: set_uhs_signaling() need not return a value Russell King
2014-02-18 15:11 ` [PATCH RFC 25/31] mmc: sdhci: convert sdhci_set_uhs_signaling() into a library function Russell King
2014-02-18 15:11 ` [PATCH RFC 26/31] mmc: sdhci: cache timing information locally Russell King
2014-02-18 15:11 ` [PATCH RFC 27/31] mmc: sdhci: clean up sdhci_execute_tuning() decision Russell King
2014-02-18 15:11 ` [PATCH RFC 28/31] mmc: sdhci-esdhc-imx: remove emulation of uhs_mode Russell King
2014-02-18 15:11 ` [PATCH RFC 29/31] mmc: sdhci-of-esdhc: remove platform_suspend/platform_resume callbacks Russell King
2014-02-18 15:11 ` [PATCH RFC 30/31] mmc: sdhci: " Russell King
2014-02-18 15:11 ` [PATCH RFC 31/31] mmc: sdhci-tegra: get rid of special PRESENT_STATE register handling Russell King
2014-02-19 20:04   ` Stephen Warren
2014-02-19 23:22     ` Russell King - ARM Linux
2014-02-19 23:28       ` Russell King - ARM Linux

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