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From: Jan Luebbe <jlu@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 02/10] drivers/nor/m25p80: add MEMGETINFO ioctl
Date: Mon,  3 Sep 2012 13:45:57 +0200	[thread overview]
Message-ID: <1346672765-16162-3-git-send-email-jlu@pengutronix.de> (raw)
In-Reply-To: <1346672765-16162-1-git-send-email-jlu@pengutronix.de>

Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
---
 drivers/nor/m25p80.c |   26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/drivers/nor/m25p80.c b/drivers/nor/m25p80.c
index 61f2195..1722e0a 100644
--- a/drivers/nor/m25p80.c
+++ b/drivers/nor/m25p80.c
@@ -20,6 +20,7 @@
 #include <common.h>
 #include <init.h>
 #include <driver.h>
+#include <ioctl.h>
 #include <spi/spi.h>
 #include <spi/flash.h>
 #include <xfuncs.h>
@@ -690,9 +691,34 @@ static const struct spi_device_id *jedec_probe(struct spi_device *spi)
 	return NULL;
 }
 
+static int m25p80_ioctl(struct cdev *cdev, int request, void *buf)
+{
+	struct m25p *flash = cdev->priv;
+	struct flash_info *info = flash->info;
+	struct mtd_info_user *user = buf;
+
+	switch (request) {
+	case MEMGETINFO:
+		memset(user, 0, sizeof(*user));
+		user->type = MTD_NORFLASH;
+		user->flags = MTD_CAP_NORFLASH;
+		user->size = flash->size;
+		user->erasesize = info->sector_size;
+		user->writesize = 1;
+		user->oobsize = 0;
+		/* The below fields are obsolete */
+		user->ecctype = -1;
+		user->eccsize = 0;
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
 static struct file_operations m25p80_ops = {
 	.read   = m25p80_read,
 	.write  = m25p80_write,
+	.ioctl  = m25p80_ioctl,
 	.erase  = m25p80_erase,
 	.lseek  = dev_lseek_default,
 };
-- 
1.7.10.4


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  parent reply	other threads:[~2012-09-03 11:46 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-03 11:45 Prepare support for TI AM35xx Jan Luebbe
2012-09-03 11:45 ` [PATCH 01/10] drivers/nor/m25p80: add JEDEC ID for Micron/Numonyx SPI NOR flash Jan Luebbe
2012-09-03 11:45 ` Jan Luebbe [this message]
2012-09-04  8:20   ` [PATCH 02/10] drivers/nor/m25p80: add MEMGETINFO ioctl Sascha Hauer
2012-09-03 11:45 ` [PATCH 03/10] Makefile: add target to produce a SPL compatible uimage Jan Luebbe
2012-09-03 16:22   ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-03 11:45 ` [PATCH 04/10] scripts: add tool to create image for SPI boot on AM35xx Jan Luebbe
2012-09-04  8:27   ` Sascha Hauer
2012-09-03 11:46 ` [PATCH 05/10] common: split out meminfo output and make it optional Jan Luebbe
2012-09-03 11:46 ` [PATCH 06/10] omap: add SPI as a boot mode for xload Jan Luebbe
2012-09-03 16:24   ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-04  7:41     ` Jan Weitzel
2012-09-03 11:46 ` [PATCH 07/10] drivers/net/ksz8864rmn: add driver for Micrel KSZ8864RMN Ethernet Switch Jan Luebbe
2012-09-03 11:46 ` [PATCH 08/10] drivers/net: add driver for the EMAC device found in some TI SoCs Jan Luebbe
2012-09-03 16:27   ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-04  8:42   ` Sascha Hauer
2012-09-03 11:46 ` [PATCH 09/10] omap3: allow enabling clocks for UART3, MMC1 and SPI Jan Luebbe
2012-09-04  8:48   ` Sascha Hauer
2012-09-05  9:28     ` Jan Lübbe
2012-09-03 11:46 ` [PATCH 10/10] drivers/spi: add driver for the Multichannel SPI controller found in TI SoCs Jan Luebbe
2012-09-03 16:32   ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-04  8:58   ` Sascha Hauer
2012-09-05  9:20     ` Jan Lübbe

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