From: Tomer Maimon <tmaimon77@gmail.com> To: broonie@kernel.org, dwmw2@infradead.org, computersforpeace@gmail.com, marek.vasut@gmail.com, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, bbrezillon@kernel.org, yogeshnarayan.gaur@nxp.com, tudor.ambarus@microchip.com, gregkh@linuxfoundation.org, frieder.schrempf@exceet.de, tglx@linutronix.de Cc: linux-spi@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Tomer Maimon <tmaimon77@gmail.com> Subject: [RFC v1 3/3] mtd: m25p80: add get Flash size callback support Date: Mon, 29 Jul 2019 17:25:04 +0300 [thread overview] Message-ID: <20190729142504.188336-4-tmaimon77@gmail.com> (raw) In-Reply-To: <20190729142504.188336-1-tmaimon77@gmail.com> Add get Flash size function support for passing Flash size through callback use to the spi layer. Add get Flash size function support Signed-off-by: Tomer Maimon <tmaimon77@gmail.com> --- drivers/mtd/devices/m25p80.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index c50888670250..fd14c8c6d8d8 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -151,6 +151,15 @@ static ssize_t m25p80_read(struct spi_nor *nor, loff_t from, size_t len, return len; } +/* Sending Flash size thourgh callback function to spi layer */ +size_t m25p80_get_flash_size(void *param) +{ + struct spi_mem *spimem = param; + struct m25p *flash = spi_mem_get_drvdata(spimem); + + return (u32)(flash->spi_nor.mtd.size >> 10) * 1024; +} + /* * board specific setup should have ensured the SPI clock used here * matches what the READ command supports, at least until this driver @@ -188,6 +197,9 @@ static int m25p_probe(struct spi_mem *spimem) spi_nor_set_flash_node(nor, spi->dev.of_node); nor->priv = flash; + spimem->callback = m25p80_get_flash_size; + spimem->callback_param = spimem; + spi_mem_set_drvdata(spimem, flash); flash->spimem = spimem; -- 2.18.0
WARNING: multiple messages have this Message-ID (diff)
From: Tomer Maimon <tmaimon77@gmail.com> To: broonie@kernel.org, dwmw2@infradead.org, computersforpeace@gmail.com, marek.vasut@gmail.com, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, bbrezillon@kernel.org, yogeshnarayan.gaur@nxp.com, tudor.ambarus@microchip.com, gregkh@linuxfoundation.org, frieder.schrempf@exceet.de, tglx@linutronix.de Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Tomer Maimon <tmaimon77@gmail.com>, linux-spi@vger.kernel.org Subject: [RFC v1 3/3] mtd: m25p80: add get Flash size callback support Date: Mon, 29 Jul 2019 17:25:04 +0300 [thread overview] Message-ID: <20190729142504.188336-4-tmaimon77@gmail.com> (raw) In-Reply-To: <20190729142504.188336-1-tmaimon77@gmail.com> Add get Flash size function support for passing Flash size through callback use to the spi layer. Add get Flash size function support Signed-off-by: Tomer Maimon <tmaimon77@gmail.com> --- drivers/mtd/devices/m25p80.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index c50888670250..fd14c8c6d8d8 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -151,6 +151,15 @@ static ssize_t m25p80_read(struct spi_nor *nor, loff_t from, size_t len, return len; } +/* Sending Flash size thourgh callback function to spi layer */ +size_t m25p80_get_flash_size(void *param) +{ + struct spi_mem *spimem = param; + struct m25p *flash = spi_mem_get_drvdata(spimem); + + return (u32)(flash->spi_nor.mtd.size >> 10) * 1024; +} + /* * board specific setup should have ensured the SPI clock used here * matches what the READ command supports, at least until this driver @@ -188,6 +197,9 @@ static int m25p_probe(struct spi_mem *spimem) spi_nor_set_flash_node(nor, spi->dev.of_node); nor->priv = flash; + spimem->callback = m25p80_get_flash_size; + spimem->callback_param = spimem; + spi_mem_set_drvdata(spimem, flash); flash->spimem = spimem; -- 2.18.0 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/
next prev parent reply other threads:[~2019-07-29 14:28 UTC|newest] Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-07-29 14:25 [RFC v1 0/3] *spi-mem: adding setup and callback function Tomer Maimon 2019-07-29 14:25 ` Tomer Maimon 2019-07-29 14:25 ` [RFC v1 1/3] spi: spi-mem: add spi-mem setup function Tomer Maimon 2019-07-29 14:25 ` Tomer Maimon 2019-07-29 14:25 ` [RFC v1 2/3] spi: spi-mem: add callback function to spi-mem device Tomer Maimon 2019-07-29 14:25 ` Tomer Maimon 2019-07-29 14:25 ` Tomer Maimon [this message] 2019-07-29 14:25 ` [RFC v1 3/3] mtd: m25p80: add get Flash size callback support Tomer Maimon 2019-07-29 15:28 ` [RFC v1 0/3] *spi-mem: adding setup and callback function Boris Brezillon 2019-07-29 15:28 ` Boris Brezillon [not found] ` <CAP6Zq1iPXDX_Gtz6ZWYm3JoHgHjdapotVLGw-Lq4tc2X-6eAug@mail.gmail.com> 2019-07-30 6:54 ` Boris Brezillon 2019-07-30 16:53 ` Sergei Shtylyov 2019-07-30 17:48 ` Vignesh Raghavendra 2019-07-30 18:04 ` Boris Brezillon [not found] ` <CAP6Zq1hfVoS8+VU0rAtKAX7D22qTVHDMosiCRMKV8sQB_m0qOQ@mail.gmail.com> 2019-08-01 6:42 ` Vignesh Raghavendra
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