mirror of https://github.com/hak5/openwrt-owl.git
bcm53xx: backport upstream bcm53xx spi driver changes
One replaces our local patch and another is just for keeping driver in sync (license change). Signed-off-by: Rafał Miłecki <rafal@milecki.pl>owl
Rafał Miłecki
parent
2e1f6f1682
commit
4ce3c41696
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From 78d759daceaf0a7058f37c4142bdca9948b6d987 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Thu, 29 Dec 2016 17:27:55 +0100
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Subject: [PATCH] spi: bcm53xx: set of_node to let DT specify device(s)
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Setting of_node of master's dev seems to be a common way of letting it
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work nicely with DT. This allows specifying device there instead of
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hardcoding one in the driver code.
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This was successfully tested with commit 1b47b98acce2 ("ARM: BCM5301X:
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Add DT entry for SPI controller and NOR flash")
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Signed-off-by: Mark Brown <broonie@kernel.org>
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---
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drivers/spi/spi-bcm53xx.c | 8 +-------
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1 file changed, 1 insertion(+), 7 deletions(-)
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--- a/drivers/spi/spi-bcm53xx.c
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+++ b/drivers/spi/spi-bcm53xx.c
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@@ -275,10 +275,6 @@ static int bcm53xxspi_flash_read(struct
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* BCMA
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**************************************************/
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-static struct spi_board_info bcm53xx_info = {
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- .modalias = "bcm53xxspiflash",
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-};
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-
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static const struct bcma_device_id bcm53xxspi_bcma_tbl[] = {
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BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_QSPI, BCMA_ANY_REV, BCMA_ANY_CLASS),
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{},
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@@ -311,6 +307,7 @@ static int bcm53xxspi_bcma_probe(struct
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b53spi->bspi = true;
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bcm53xxspi_disable_bspi(b53spi);
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+ master->dev.of_node = dev->of_node;
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master->transfer_one = bcm53xxspi_transfer_one;
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if (b53spi->mmio_base)
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master->spi_flash_read = bcm53xxspi_flash_read;
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@@ -324,9 +321,6 @@ static int bcm53xxspi_bcma_probe(struct
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return err;
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}
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- /* Broadcom SoCs (at least with the CC rev 42) use SPI for flash only */
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- spi_new_device(master, &bcm53xx_info);
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-
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return 0;
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}
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@ -0,0 +1,50 @@
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From e360e72e715f228e426edf0fc99ffa34027ab0ad Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Thu, 29 Dec 2016 20:13:13 +0100
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Subject: [PATCH] spi: bcm53xx: (re)license code to the GPL v2
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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My intention was to release this code under GPL v2 license. For some
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reason my initial commit 0fc6a323e191 ("spi: bcm53xx: driver for SPI
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controller on Broadcom bcma SoC") totally missed licensing info.
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MODULE_LICENSE was later added by Axel specifying "GNU Public License
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v2 or later".
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This patch clarifies situation by adding a proper header (with Copyright
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line) and adjusting MODULE_LICENSE. It should be acked by every driver
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contributor.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Acked-by: Nicholas Mc Guire <hofrat@osadl.org>
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Reviewed-by: Jingoo Han <jingoohan1@gmail.com>
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Acked-by: Jingoo Han <jingoohan1@gmail.com>
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Acked-by: Joe Perches <joe@perches.com>
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Acked-by: Axel Lin <axel.lin@ingics.com>
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Acked-by: Vaishali Thakkar <vaishali.thakkar@oracle.com>
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Signed-off-by: Mark Brown <broonie@kernel.org>
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---
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drivers/spi/spi-bcm53xx.c | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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--- a/drivers/spi/spi-bcm53xx.c
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+++ b/drivers/spi/spi-bcm53xx.c
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@@ -1,3 +1,11 @@
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+/*
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+ * Copyright (C) 2014-2016 Rafał Miłecki <rafal@milecki.pl>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ */
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+
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/kernel.h>
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@@ -355,4 +363,4 @@ module_exit(bcm53xxspi_module_exit);
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MODULE_DESCRIPTION("Broadcom BCM53xx SPI Controller driver");
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MODULE_AUTHOR("Rafał Miłecki <zajec5@gmail.com>");
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-MODULE_LICENSE("GPL");
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+MODULE_LICENSE("GPL v2");
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@ -1,41 +0,0 @@
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Subject: [PATCH] spi: bcm53xx: let DT specify SPI device(s) instead hardcoding
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them
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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---
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--- a/drivers/spi/spi-bcm53xx.c
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+++ b/drivers/spi/spi-bcm53xx.c
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@@ -275,10 +275,6 @@ static int bcm53xxspi_flash_read(struct
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* BCMA
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**************************************************/
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-static struct spi_board_info bcm53xx_info = {
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- .modalias = "bcm53xxspiflash",
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-};
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-
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static const struct bcma_device_id bcm53xxspi_bcma_tbl[] = {
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BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_QSPI, BCMA_ANY_REV, BCMA_ANY_CLASS),
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{},
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@@ -300,6 +296,7 @@ static int bcm53xxspi_bcma_probe(struct
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master = spi_alloc_master(dev, sizeof(*b53spi));
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if (!master)
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return -ENOMEM;
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+ master->dev.of_node = dev->of_node;
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b53spi = spi_master_get_devdata(master);
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b53spi->master = master;
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@@ -324,9 +321,6 @@ static int bcm53xxspi_bcma_probe(struct
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return err;
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}
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- /* Broadcom SoCs (at least with the CC rev 42) use SPI for flash only */
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- spi_new_device(master, &bcm53xx_info);
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-
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return 0;
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}
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