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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next prev 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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