From: Kamal Dasu <kdasu.kdev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> To: linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cyrille.pitchen-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org, marex-ynQEQJNshbs@public.gmane.org, broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Cc: linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w@public.gmane.org, Kamal Dasu <kdasu.kdev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Subject: [PATCH v1 3/5] spi: Added way to check for pm support for flash devices Date: Fri, 3 Feb 2017 18:31:14 -0500 [thread overview] Message-ID: <1486164676-12912-4-git-send-email-kdasu.kdev@gmail.com> (raw) In-Reply-To: <1486164676-12912-1-git-send-email-kdasu.kdev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Device drivers can check if the master controller driver has to support flash pm. The controller driver indicates this using flash_pm_supported() spi master interface. Signed-off-by: Kamal Dasu <kdasu.kdev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> --- include/linux/spi/spi.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 75c6bd0..b5fbc1b 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -539,6 +539,7 @@ struct spi_master { int (*spi_flash_read)(struct spi_device *spi, struct spi_flash_read_message *msg); bool (*flash_read_supported)(struct spi_device *spi); + bool (*flash_pm_supported)(struct spi_device *spi); /* * These hooks are for drivers that use a generic implementation @@ -1185,6 +1186,13 @@ static inline bool spi_flash_read_supported(struct spi_device *spi) spi->master->flash_read_supported(spi)); } +/* SPI core interface to indicate flash pm support */ +static inline bool spi_flash_pm_supported(struct spi_device *spi) +{ + return (spi->master->flash_pm_supported && + spi->master->flash_pm_supported(spi)); +} + int spi_flash_read(struct spi_device *spi, struct spi_flash_read_message *msg); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html
WARNING: multiple messages have this Message-ID (diff)
From: Kamal Dasu <kdasu.kdev@gmail.com> To: linux-spi@vger.kernel.org, cyrille.pitchen@atmel.com, marex@denx.de, broonie@kernel.org Cc: linux-mtd@lists.infradead.org, f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com, Kamal Dasu <kdasu.kdev@gmail.com> Subject: [PATCH v1 3/5] spi: Added way to check for pm support for flash devices Date: Fri, 3 Feb 2017 18:31:14 -0500 [thread overview] Message-ID: <1486164676-12912-4-git-send-email-kdasu.kdev@gmail.com> (raw) In-Reply-To: <1486164676-12912-1-git-send-email-kdasu.kdev@gmail.com> Device drivers can check if the master controller driver has to support flash pm. The controller driver indicates this using flash_pm_supported() spi master interface. Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com> --- include/linux/spi/spi.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 75c6bd0..b5fbc1b 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -539,6 +539,7 @@ struct spi_master { int (*spi_flash_read)(struct spi_device *spi, struct spi_flash_read_message *msg); bool (*flash_read_supported)(struct spi_device *spi); + bool (*flash_pm_supported)(struct spi_device *spi); /* * These hooks are for drivers that use a generic implementation @@ -1185,6 +1186,13 @@ static inline bool spi_flash_read_supported(struct spi_device *spi) spi->master->flash_read_supported(spi)); } +/* SPI core interface to indicate flash pm support */ +static inline bool spi_flash_pm_supported(struct spi_device *spi) +{ + return (spi->master->flash_pm_supported && + spi->master->flash_pm_supported(spi)); +} + int spi_flash_read(struct spi_device *spi, struct spi_flash_read_message *msg); -- 1.9.1
next prev parent reply other threads:[~2017-02-03 23:31 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-02-03 23:31 [PATCH v1 0/5] Added support for spi-nor device pm in m25p80 Kamal Dasu 2017-02-03 23:31 ` Kamal Dasu [not found] ` <1486164676-12912-1-git-send-email-kdasu.kdev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2017-02-03 23:31 ` [PATCH v1 1/5] mtd: spi-nor: Added way to rescan spi-nor device Kamal Dasu 2017-02-03 23:31 ` Kamal Dasu [not found] ` <1486164676-12912-2-git-send-email-kdasu.kdev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2017-02-06 11:46 ` Cyrille Pitchen 2017-02-06 11:46 ` Cyrille Pitchen [not found] ` <05a60f60-f404-7761-4079-c6e7d1d08aed-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org> 2017-02-06 20:32 ` Kamal Dasu 2017-02-06 20:32 ` Kamal Dasu 2017-02-03 23:31 ` [PATCH v1 2/5] mtd: m25p80: Added pm ops support Kamal Dasu 2017-02-03 23:31 ` Kamal Dasu 2017-02-03 23:31 ` Kamal Dasu [this message] 2017-02-03 23:31 ` [PATCH v1 3/5] spi: Added way to check for pm support for flash devices Kamal Dasu [not found] ` <1486164676-12912-4-git-send-email-kdasu.kdev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2017-02-04 11:25 ` Mark Brown 2017-02-04 11:25 ` Mark Brown [not found] ` <20170204112555.p77votp5m7klygbe-GFdadSzt00ze9xe1eoZjHA@public.gmane.org> 2017-02-04 20:47 ` Kamal Dasu 2017-02-04 20:47 ` Kamal Dasu [not found] ` <CAC=U0a0o21taio6jYzTCx1ix85aFNtikXHs=O99OW1pChbG4TA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2017-02-06 10:44 ` Cyrille Pitchen 2017-02-06 10:44 ` Cyrille Pitchen [not found] ` <11cfd6da-c537-eca9-5c50-7789d5b672dd-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org> 2017-02-06 16:46 ` Mark Brown 2017-02-06 16:46 ` Mark Brown [not found] ` <20170206164634.awi4oe5e4o4w2kmj-GFdadSzt00ze9xe1eoZjHA@public.gmane.org> 2017-02-06 19:32 ` Kamal Dasu 2017-02-06 19:32 ` Kamal Dasu 2017-02-03 23:31 ` [PATCH v1 4/5] mtd: m25p80: Check if the spi flash device has pm support Kamal Dasu 2017-02-03 23:31 ` Kamal Dasu [not found] ` <1486164676-12912-5-git-send-email-kdasu.kdev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2017-02-06 11:01 ` Cyrille Pitchen 2017-02-06 11:01 ` Cyrille Pitchen [not found] ` <9108d13d-0f06-172f-5e8d-91ff80fdd510-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org> 2017-02-06 19:35 ` Kamal Dasu 2017-02-06 19:35 ` Kamal Dasu 2017-02-03 23:31 ` [PATCH v1 5/5] spi: bcm-qspi: Implement the master flash_pm_supported() call Kamal Dasu 2017-02-03 23:31 ` Kamal Dasu
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