From 7111763d391b0c5a949a4f2575aa88cd585f0ff6 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Sun, 8 Jan 2006 13:34:29 -0800 Subject: [PATCH] spi: misc fixes This collects some small SPI patches that seem to be missing from the MM tree: - spi_butterfly kbuild hooks got dropped somehow; this restores them - quick fix for a (theoretical?) m25p80_write() oops noted by Andrew - quick fix for a potential config-specific oops for mtd_dataflash() - minor doc tweaks Signed-off-by: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- drivers/mtd/devices/m25p80.c | 4 +++- drivers/mtd/devices/mtd_dataflash.c | 2 +- 2 files changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/mtd') diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 45108ed8558..d5f24089be7 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -378,7 +378,9 @@ static int m25p80_write(struct mtd_info *mtd, loff_t to, size_t len, spi_sync(flash->spi, &m); - *retlen += m.actual_length - sizeof(flash->command); + if (retlen) + *retlen += m.actual_length + - sizeof(flash->command); } } diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c index 99d3a0320fc..155737e7483 100644 --- a/drivers/mtd/devices/mtd_dataflash.c +++ b/drivers/mtd/devices/mtd_dataflash.c @@ -508,7 +508,7 @@ add_dataflash(struct spi_device *spi, char *name, priv->partitioned = 1; return add_mtd_partitions(device, parts, nr_parts); } - } else if (pdata->nr_parts) + } else if (pdata && pdata->nr_parts) dev_warn(&spi->dev, "ignoring %d default partitions on %s\n", pdata->nr_parts, device->name); -- cgit v1.2.3