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Date: Sun, 27 May 2012 10:05:34 +0900 From: Greg KH <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>, Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se>, Grant Likely <grant.likely@...retlab.ca> Subject: [ 71/94] spi/spi-fsl-spi: reference correct pdata in fsl_spi_cs_control 3.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com> commit 067aa4815a9bc12a569d8a06afef50ba5773afbf upstream. Commit 178db7d3, "spi: Fix device unregistration when unregistering the bus master", changed spi device initialization of dev.parent pointer to be the master's device pointer instead of his parent. This introduced a bug in spi-fsl-spi, since its usage of spi device pointer was not updated accordingly. This was later fixed by commit 5039a86, "spi/mpc83xx: fix NULL pdata dereference bug", but it missed another spot on fsl_spi_cs_control function where we also need to update usage of spi device pointer. This change address that. Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com> Acked-by: Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se> Signed-off-by: Grant Likely <grant.likely@...retlab.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/spi/spi-fsl-spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/spi/spi-fsl-spi.c +++ b/drivers/spi/spi-fsl-spi.c @@ -931,7 +931,7 @@ err: static void fsl_spi_cs_control(struct spi_device *spi, bool on) { - struct device *dev = spi->dev.parent; + struct device *dev = spi->dev.parent->parent; struct mpc8xxx_spi_probe_info *pinfo = to_of_pinfo(dev->platform_data); u16 cs = spi->chip_select; int gpio = pinfo->gpios[cs]; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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