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The commit 04f421e7 "spi: dw: use managed resources" changes drivers to use
managed functions, but seems wasn't properly tested in PCI case. The regs field
of struct dw_spi left uninitialized. Thus, kernel crashes when tries to access
to the SPI controller registers. This patch fixes the issue.
Fixes: 04f421e7 (spi: dw: use managed resources)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
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'spi/topic/hspi', 'spi/topic/mpc512x', 'spi/topic/msiof', 'spi/topic/nuc900', 'spi/topic/oc-tiny', 'spi/topic/omap', 'spi/topic/orion' and 'spi/topic/pci' into spi-linus
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It's not necessary to free resources allocated with devm_*
and free them may lead to double free.
Fixes: 04f421e7b0b1 ('spi: dw: use managed resources')
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Commit 04f421e7b0b10 (spi: dw: use managed resources) introduced a typo in
struct field reference. Fix it.
Fixes build failure:
drivers/spi/spi-dw-pci.c: In function 'spi_pci_probe':
drivers/spi/spi-dw-pci.c:50:29: error: 'dev' undeclared (first use in this function)
dwpci = devm_kzalloc(&pdev-dev, sizeof(struct dw_spi_pci), GFP_KERNEL);
^
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Migrate mmio code and core driver to managed resources to reduce boilerplate
error handling code. Also, handle clk_enable() failure while at it, and drop
unused dw_spi iolen field.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Don't use DEFINE_PCI_DEVICE_TABLE macro, because this macro
is not preferred.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Change raw printk() call to dev_info() to provide a better message
to userspace so it can properly identify the device.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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CONFIG_HOTPLUG is going away as an option. As result the __dev*
markings will be going away.
Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.
Bill Pemberton has done most of the legwork on this series. I've used
his script to purge the attributes from the drivers/gpio tree.
Reported-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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This patch converts the drivers in drivers/spi/* to use module_pci_driver()
macro which makes the code smaller and a bit simpler.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Convert static struct pci_device_id *[] to static DEFINE_PCI_DEVICE_TABLE
tables.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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We are clipping down the presence of module.h, since it was
everywhere. If you really need it, you better call it out,
as per this changeset.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Sort the SPI makefile and enforce the naming convention spi_*.c for
spi drivers.
This change also rolls the contents of atmel_spi.h into the .c file
since there is only one user of that particular include file.
v2: - Use 'spi-' prefix instead of 'spi_' to match what seems to be
be the predominant pattern for subsystem prefixes.
- Clean up filenames in Kconfig and header comment blocks
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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