diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-4.4/084-0001-spi-bcm53xx-set-of_node-to-let-DT-specify-device-s.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-4.4/084-0001-spi-bcm53xx-set-of_node-to-let-DT-specify-device-s.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-4.4/084-0001-spi-bcm53xx-set-of_node-to-let-DT-specify-device-s.patch b/target/linux/bcm53xx/patches-4.4/084-0001-spi-bcm53xx-set-of_node-to-let-DT-specify-device-s.patch new file mode 100644 index 0000000000..39ebf7286b --- /dev/null +++ b/target/linux/bcm53xx/patches-4.4/084-0001-spi-bcm53xx-set-of_node-to-let-DT-specify-device-s.patch @@ -0,0 +1,52 @@ +From 78d759daceaf0a7058f37c4142bdca9948b6d987 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Thu, 29 Dec 2016 17:27:55 +0100 +Subject: [PATCH] spi: bcm53xx: set of_node to let DT specify device(s) +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Setting of_node of master's dev seems to be a common way of letting it +work nicely with DT. This allows specifying device there instead of +hardcoding one in the driver code. + +This was successfully tested with commit 1b47b98acce2 ("ARM: BCM5301X: +Add DT entry for SPI controller and NOR flash") + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Signed-off-by: Mark Brown <broonie@kernel.org> +--- + drivers/spi/spi-bcm53xx.c | 8 +------- + 1 file changed, 1 insertion(+), 7 deletions(-) + +--- a/drivers/spi/spi-bcm53xx.c ++++ b/drivers/spi/spi-bcm53xx.c +@@ -275,10 +275,6 @@ static int bcm53xxspi_flash_read(struct + * BCMA + **************************************************/ + +-static struct spi_board_info bcm53xx_info = { +- .modalias = "bcm53xxspiflash", +-}; +- + static const struct bcma_device_id bcm53xxspi_bcma_tbl[] = { + BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_QSPI, BCMA_ANY_REV, BCMA_ANY_CLASS), + {}, +@@ -311,6 +307,7 @@ static int bcm53xxspi_bcma_probe(struct + b53spi->bspi = true; + bcm53xxspi_disable_bspi(b53spi); + ++ master->dev.of_node = dev->of_node; + master->transfer_one = bcm53xxspi_transfer_one; + if (b53spi->mmio_base) + master->spi_flash_read = bcm53xxspi_flash_read; +@@ -324,9 +321,6 @@ static int bcm53xxspi_bcma_probe(struct + return err; + } + +- /* Broadcom SoCs (at least with the CC rev 42) use SPI for flash only */ +- spi_new_device(master, &bcm53xx_info); +- + return 0; + } + |