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2016-11-19mtd: nand: tango: Enable custom page accessorsMarc Gonzalez1-1/+6
Enable NAND_ECC_CUSTOM_PAGE_ACCESS in the tango NFC driver. Fixup the "raw" page accessors to send the proper NAND commands. Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-19mtd: nand: Support controllers with custom pageMarc Gonzalez2-3/+43
If your controller already sends the required NAND commands when reading or writing a page, then the framework is not supposed to send READ0 and SEQIN/PAGEPROG respectively. Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-19mtd: nand: denali: remove debug lines of __FILE__, __LINE__, __func__Masahiro Yamada1-12/+0
Such debug lines might be useful when debugging the driver first, but should be deleted from the upstream code. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-19mtd: nand: denali: remove unneeded parenthesesMasahiro Yamada1-7/+7
Remove parentheses surrounding the whole right side of an assignment. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-19mtd: nand: denali: return error code from nand_scan_ident/tail on errorMasahiro Yamada1-6/+4
The nand_scan_ident/tail() returns an appropriate error value when it fails. Use it instead of the fixed -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-19mtd: nand: denali: return error code from devm_request_irq() on errorMasahiro Yamada1-7/+5
The devm_request_irq() returns an appropriate error value when it fails. Use it instead of the fixed -ENODEV. While we are here, reword the comment to make it fit in a single line, fixing the misspelling of "initialization". Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-19mtd: nand: denali: use managed devm_irq_request()Masahiro Yamada1-3/+2
Use the managed variant instead of request_irq() and free_irq(). Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-19mtd: nand: denali: remove unused struct member totalblks, blksperchipMasahiro Yamada2-10/+0
The denali->blksperchip is set, but not referenced any more. The denali->totalblks is used only for calculating denali->blksperchip. Both of them are unneeded. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-19mtd: nand: denali: remove "Spectra:" prefix from printk stringsMasahiro Yamada1-6/+5
As far as I understood from the Kconfig menu deleted by commit be7f39c5ecf5 ("Staging: delete spectra driver"), the "Spectra" is specific to Intel Moorestown Platform. The Denali NAND controller IP is used for various SoCs such as Altera SOCFPGA, Socionext UniPhier, etc. The platform specific strings are not preferred in this driver. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-19mtd: nand: denali: remove detect_partition_feature()Masahiro Yamada2-38/+0
The denali->fwblks is set by detect_partition_feature(), but it is not referenced from anywhere. That means the struct member fwblks and the whole of detect_partition_feature() are unneeded. The comment block implies this function is only for Intel platforms. I found drivers/staging/spectra used to exist, but it was deleted by commit be7f39c5ecf5 ("Staging: delete spectra driver") 5 years ago. So, I guess nobody would need this function any more. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-19mtd: nand: denali: remove bogus comment about interrupt handler setupMasahiro Yamada1-1/+0
The interrupt handler is setup in denali_init(), not in denali_drv_init(). This comment is false. Such a comment adds no value, so just delete it instead of move. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-19mtd: nand: denali: remove unused struct member denali_nand_info::idxMasahiro Yamada2-3/+0
The struct member "idx" was used as an index for debug_array long ago, but the DEBUG_DENALI feature was removed by commit 7cfffac06ca0 ("nand/denali: use dev_xx debug function to replace nand_dbg_print and some printk"). Since then, this has been only initialized, but never referenced. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-19mtd: nand: denali: remove unneeded <linux/slab.h> includesMasahiro Yamada3-3/+0
The driver calls devm_kzalloc()/devm_kfree() to allocate/free memory. They are declared in <linux/device.h>, not in <linux/slab.h>. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: socrates: use nand_scan() for nand_scan_ident/tail() comboMasahiro Yamada1-10/+2
For this driver, there is nothing between nand_scan_ident() and nand_scan_tail(). They can be merged into nand_scan(). Also, nand_scan() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: nandsim: remove unneeded checks for nand_scan_ident/tail()Masahiro Yamada1-4/+0
The nand_scan_ident/tail() never returns a positive value when it fails. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: pxa3xx: return error code of nand_scan_ident() on errorMasahiro Yamada1-2/+3
The nand_scan_ident() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENODEV. (This driver is already doing so for nand_scan_tail().) Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: hisi504: return error code of nand_scan_ident() on errorMasahiro Yamada1-3/+1
The nand_scan_ident() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENODEV. (This driver is already doing so for nand_scan_tail().) Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: cafe: return error code of nand_scan_ident() on errorMasahiro Yamada1-3/+2
The nand_scan_ident() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. (This driver is already doing so for nand_scan_tail().) Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: vf610: return error code of nand_scan_ident/tail() on errorMasahiro Yamada1-6/+4
The nand_scan_ident/tail() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: omap2: return error code of nand_scan_ident/tail() on errorMasahiro Yamada1-5/+4
The nand_scan_ident/tail() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: mxc: return error code of nand_scan_ident/tail() on errorMasahiro Yamada1-6/+4
The nand_scan_ident/tail() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: mediatek: return error code of nand_scan_ident/tail() on errorMasahiro Yamada1-2/+2
The nand_scan_ident/tail() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENODEV. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: lpc32xx: return error code of nand_scan_ident/tail() on errorMasahiro Yamada2-12/+8
The nand_scan_ident/tail() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Acked-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: fsmc: return error code of nand_scan_ident/tail() on errorMasahiro Yamada1-5/+4
The nand_scan_ident/tail() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: brcmnand: return error code of nand_scan_ident/tail() on errorMasahiro Yamada1-4/+6
The nand_scan_ident/tail() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: atmel: return error code of nand_scan_ident/tail() on errorMasahiro Yamada1-6/+4
The nand_scan_ident/tail() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: plat_nand: return error code of nand_scan() on errorMasahiro Yamada1-3/+2
The nand_scan() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: pasemi: return error code of nand_scan() on errorMasahiro Yamada1-3/+2
The nand_scan() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: orion: return error code of nand_scan() on errorMasahiro Yamada1-3/+2
The nand_scan() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: tmio: return error code of nand_scan() on errorMasahiro Yamada1-3/+3
The nand_scan() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENODEV. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: mpc5121: return error code of nand_scan() on errorMasahiro Yamada1-2/+2
The nand_scan() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: gpio: return error code of nand_scan() on errorMasahiro Yamada1-3/+2
The nand_scan() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: cs553x: return error code of nand_scan() on errorMasahiro Yamada1-3/+2
The nand_scan() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: cmx270: return error code of nand_scan() on errorMasahiro Yamada1-2/+2
The nand_scan() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: ams-delta: return error code of nand_scan() on errorMasahiro Yamada1-3/+2
The nand_scan() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: change return type of nand_get_flash_type() to intMasahiro Yamada1-14/+10
Since commit d1e1f4e42b5d ("mtd: nand: add support for reading ONFI parameters from NAND device"), the returned "type" is never used in nand_scan_ident(). Make nand_get_flash_type() simply return an integer value in order to avoid unnecessary ERR_PTR/PTR_ERR dance. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: denali_dt: replace clk_disable() with clk_disable_unprepare()Masahiro Yamada1-1/+1
The denali_dt_probe() calls clk_disable_unprepare() in the bailout path, whereas denali_dt_remove calls clk_disable(), inconsistently. Replace the latter with clk_disable_unprepare() to make sure to unprepare the clock. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-11-07mtd: nand: add tango NAND flash controller supportMarc Gonzalez3-0/+666
This driver supports the NAND Flash controller embedded in recent Tango chips, such as SMP8758 and SMP8759. Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>