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2018-10-12spi: imx: correct wml as the last sg lengthRobin Gong1-10/+19
Correct wml as the last rx sg length instead of the whole transfer length. Otherwise, mtd_stresstest will be failed as below: insmod mtd_stresstest.ko dev=0 ================================================= mtd_stresstest: MTD device: 0 mtd_stresstest: not NAND flash, assume page size is 512 bytes. mtd_stresstest: MTD device size 4194304, eraseblock size 65536, page size 512, count of eraseblocks 64, pa0 mtd_stresstest: doing operations mtd_stresstest: 0 operations done mtd_test: mtd_read from 1ff532, size 880 mtd_test: mtd_read from 20c267, size 64998 spi_master spi0: I/O Error in DMA RX m25p80 spi0.0: SPI transfer failed: -110 spi_master spi0: failed to transfer one message from queue mtd_test: error: read failed at 0x20c267 mtd_stresstest: error -110 occurred ================================================= insmod: ERROR: could not insert module mtd_stresstest.ko: Connection timed out Signed-off-by: Robin Gong <yibin.gong@nxp.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-10-12spi: imx: move wml setting to later than setup_transferRobin Gong1-9/+14
Current dynamic burst length is based on the whole transfer length, that's ok if there is only one sg, but is not right in case multi sgs in one transfer,because the tail data should be based on the last sg length instead of the whole transfer length. Move wml setting for DMA to the later place, thus, the next patch could get the right last sg length for wml setting. This patch is a preparation one, no any function change involved. Signed-off-by: Robin Gong <yibin.gong@nxp.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-10-12PCI: Provide pci_match_id() with CONFIG_PCI=nLubomir Rintel1-0/+4
This spares drivers from #ifdef-ing on CONFIG_PCI if the driver can be optionally built on machines without PCI bus. Consistent with acpi_driver_match_device() and similar. Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-10-12spi: Make GPIO CSs honour the SPI_NO_CS flagPhil Elwell1-1/+3
The SPI configuration state includes an SPI_NO_CS flag that disables all CS line manipulation, for applications that want to manage their own chip selects. However, this flag is ignored by the GPIO CS code in the SPI framework. Correct this omission with a trivial patch. Signed-off-by: Phil Elwell <phil@raspberrypi.org> Signed-off-by: Mark Brown <broonie@kernel.org>