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
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http://lists.infradead.org/mailman/listinfo/linux-mtd/
next prev parent reply other threads:[~2019-07-29 14:25 UTC|newest]
Thread overview: 10+ 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 ` [RFC v1 1/3] spi: spi-mem: add spi-mem setup function 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 [this message]
2019-07-29 15:28 ` [RFC v1 0/3] *spi-mem: adding setup and callback function 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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