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60 lines
1.8 KiB
Diff
60 lines
1.8 KiB
Diff
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From eecd733c14952b074d7488934a4f3dc83c9c426b Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Sat, 14 Jan 2012 16:29:51 +0100
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Subject: [PATCH 28/32] bcma: add bus num counter
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If we have two bcma buses on one computer the second will not work
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without this patch. Now each bus gets an own number.
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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---
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drivers/bcma/main.c | 12 +++++++++++-
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include/linux/bcma/bcma.h | 1 +
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2 files changed, 12 insertions(+), 1 deletions(-)
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--- a/drivers/bcma/main.c
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+++ b/drivers/bcma/main.c
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@@ -13,6 +13,12 @@
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MODULE_DESCRIPTION("Broadcom's specific AMBA driver");
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MODULE_LICENSE("GPL");
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+/* contains the number the next bus should get. */
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+static unsigned int bcma_bus_next_num = 0;
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+
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+/* bcma_buses_mutex locks the bcma_bus_next_num */
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+static DEFINE_MUTEX(bcma_buses_mutex);
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+
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static int bcma_bus_match(struct device *dev, struct device_driver *drv);
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static int bcma_device_probe(struct device *dev);
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static int bcma_device_remove(struct device *dev);
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@@ -93,7 +99,7 @@ static int bcma_register_cores(struct bc
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core->dev.release = bcma_release_core_dev;
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core->dev.bus = &bcma_bus_type;
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- dev_set_name(&core->dev, "bcma%d:%d", 0/*bus->num*/, dev_id);
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+ dev_set_name(&core->dev, "bcma%d:%d", bus->num, dev_id);
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switch (bus->hosttype) {
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case BCMA_HOSTTYPE_PCI:
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@@ -137,6 +143,10 @@ int __devinit bcma_bus_register(struct b
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int err;
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struct bcma_device *core;
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+ mutex_lock(&bcma_buses_mutex);
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+ bus->num = bcma_bus_next_num++;
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+ mutex_unlock(&bcma_buses_mutex);
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+
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/* Scan for devices (cores) */
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err = bcma_bus_scan(bus);
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if (err) {
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--- a/include/linux/bcma/bcma.h
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+++ b/include/linux/bcma/bcma.h
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@@ -197,6 +197,7 @@ struct bcma_bus {
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struct list_head cores;
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u8 nr_cores;
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u8 init_done:1;
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+ u8 num;
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struct bcma_drv_cc drv_cc;
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struct bcma_drv_pci drv_pci;
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