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