diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-3.18/060-bcma-make-it-possible-to-specify-a-IRQ-num-in-bcma_c.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-3.18/060-bcma-make-it-possible-to-specify-a-IRQ-num-in-bcma_c.patch | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-3.18/060-bcma-make-it-possible-to-specify-a-IRQ-num-in-bcma_c.patch b/target/linux/bcm53xx/patches-3.18/060-bcma-make-it-possible-to-specify-a-IRQ-num-in-bcma_c.patch new file mode 100644 index 0000000000..d030b86ac2 --- /dev/null +++ b/target/linux/bcm53xx/patches-3.18/060-bcma-make-it-possible-to-specify-a-IRQ-num-in-bcma_c.patch @@ -0,0 +1,162 @@ +From f3bbc921543ad8098617a5a6a8054fab11878a25 Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <hauke@hauke-m.de> +Date: Wed, 1 Oct 2014 00:30:37 +0200 +Subject: [PATCH 1/3] bcma: make it possible to specify a IRQ num in + bcma_core_irq() + +This moves bcma_core_irq() to main.c and add a extra parameter with a +number so that we can return different irq number for devices with more +than one. + +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +--- + drivers/bcma/driver_chipcommon.c | 2 +- + drivers/bcma/driver_gpio.c | 4 ++-- + drivers/bcma/driver_mips.c | 11 ++--------- + drivers/bcma/driver_pci_host.c | 4 ++-- + drivers/bcma/main.c | 22 ++++++++++++++++++++++ + include/linux/bcma/bcma.h | 2 ++ + include/linux/bcma/bcma_driver_mips.h | 4 ++-- + 7 files changed, 33 insertions(+), 16 deletions(-) + +--- a/drivers/bcma/driver_chipcommon.c ++++ b/drivers/bcma/driver_chipcommon.c +@@ -339,7 +339,7 @@ void bcma_chipco_serial_init(struct bcma + return; + } + +- irq = bcma_core_irq(cc->core); ++ irq = bcma_core_irq(cc->core, 0); + + /* Determine the registers of the UARTs */ + cc->nr_serial_ports = (cc->capabilities & BCMA_CC_CAP_NRUART); +--- a/drivers/bcma/driver_gpio.c ++++ b/drivers/bcma/driver_gpio.c +@@ -152,7 +152,7 @@ static int bcma_gpio_irq_domain_init(str + handle_simple_irq); + } + +- hwirq = bcma_core_irq(cc->core); ++ hwirq = bcma_core_irq(cc->core, 0); + err = request_irq(hwirq, bcma_gpio_irq_handler, IRQF_SHARED, "gpio", + cc); + if (err) +@@ -183,7 +183,7 @@ static void bcma_gpio_irq_domain_exit(st + return; + + bcma_cc_mask32(cc, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO); +- free_irq(bcma_core_irq(cc->core), cc); ++ free_irq(bcma_core_irq(cc->core, 0), cc); + for (gpio = 0; gpio < chip->ngpio; gpio++) { + int irq = irq_find_mapping(cc->irq_domain, gpio); + +--- a/drivers/bcma/driver_mips.c ++++ b/drivers/bcma/driver_mips.c +@@ -115,7 +115,7 @@ static u32 bcma_core_mips_irqflag(struct + * If disabled, 5 is returned. + * If not supported, 6 is returned. + */ +-static unsigned int bcma_core_mips_irq(struct bcma_device *dev) ++unsigned int bcma_core_mips_irq(struct bcma_device *dev) + { + struct bcma_device *mdev = dev->bus->drv_mips.core; + u32 irqflag; +@@ -133,13 +133,6 @@ static unsigned int bcma_core_mips_irq(s + return 5; + } + +-unsigned int bcma_core_irq(struct bcma_device *dev) +-{ +- unsigned int mips_irq = bcma_core_mips_irq(dev); +- return mips_irq <= 4 ? mips_irq + 2 : 0; +-} +-EXPORT_SYMBOL(bcma_core_irq); +- + static void bcma_core_mips_set_irq(struct bcma_device *dev, unsigned int irq) + { + unsigned int oldirq = bcma_core_mips_irq(dev); +@@ -423,7 +416,7 @@ void bcma_core_mips_init(struct bcma_drv + break; + default: + list_for_each_entry(core, &bus->cores, list) { +- core->irq = bcma_core_irq(core); ++ core->irq = bcma_core_irq(core, 0); + } + bcma_err(bus, + "Unknown device (0x%x) found, can not configure IRQs\n", +--- a/drivers/bcma/driver_pci_host.c ++++ b/drivers/bcma/driver_pci_host.c +@@ -593,7 +593,7 @@ int bcma_core_pci_plat_dev_init(struct p + pr_info("PCI: Fixing up device %s\n", pci_name(dev)); + + /* Fix up interrupt lines */ +- dev->irq = bcma_core_irq(pc_host->pdev->core); ++ dev->irq = bcma_core_irq(pc_host->pdev->core, 0); + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); + + readrq = pcie_get_readrq(dev); +@@ -617,6 +617,6 @@ int bcma_core_pci_pcibios_map_irq(const + + pc_host = container_of(dev->bus->ops, struct bcma_drv_pci_host, + pci_ops); +- return bcma_core_irq(pc_host->pdev->core); ++ return bcma_core_irq(pc_host->pdev->core, 0); + } + EXPORT_SYMBOL(bcma_core_pci_pcibios_map_irq); +--- a/drivers/bcma/main.c ++++ b/drivers/bcma/main.c +@@ -169,6 +169,28 @@ static void bcma_of_fill_device(struct p + } + #endif /* CONFIG_OF */ + ++unsigned int bcma_core_irq(struct bcma_device *core, int num) ++{ ++ struct bcma_bus *bus = core->bus; ++ unsigned int mips_irq; ++ ++ switch (bus->hosttype) { ++ case BCMA_HOSTTYPE_PCI: ++ return bus->host_pci->irq; ++ case BCMA_HOSTTYPE_SOC: ++ if (bus->drv_mips.core && num == 0) { ++ mips_irq = bcma_core_mips_irq(core); ++ return mips_irq <= 4 ? mips_irq + 2 : 0; ++ } ++ break; ++ case BCMA_HOSTTYPE_SDIO: ++ return 0; ++ } ++ ++ return 0; ++} ++EXPORT_SYMBOL(bcma_core_irq); ++ + void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core) + { + core->dev.release = bcma_release_core_dev; +--- a/include/linux/bcma/bcma.h ++++ b/include/linux/bcma/bcma.h +@@ -447,4 +447,6 @@ extern u32 bcma_chipco_pll_read(struct b + #define BCMA_DMA_TRANSLATION_DMA64_CMT 0x80000000 /* Client Mode Translation for 64-bit DMA */ + extern u32 bcma_core_dma_translation(struct bcma_device *core); + ++extern unsigned int bcma_core_irq(struct bcma_device *core, int num); ++ + #endif /* LINUX_BCMA_H_ */ +--- a/include/linux/bcma/bcma_driver_mips.h ++++ b/include/linux/bcma/bcma_driver_mips.h +@@ -43,12 +43,12 @@ struct bcma_drv_mips { + extern void bcma_core_mips_init(struct bcma_drv_mips *mcore); + extern void bcma_core_mips_early_init(struct bcma_drv_mips *mcore); + +-extern unsigned int bcma_core_irq(struct bcma_device *core); ++extern unsigned int bcma_core_mips_irq(struct bcma_device *dev); + #else + static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { } + static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) { } + +-static inline unsigned int bcma_core_irq(struct bcma_device *core) ++static inline unsigned int bcma_core_mips_irq(struct bcma_device *dev) + { + return 0; + } |