823659f458
This fixes lots of sparse and checkpatch errors and extends the documentation. This also fixes a problem in the nvram parser, it now detects the correct nvram on my Netgear R6250. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> SVN-Revision: 42272
56 lines
1.7 KiB
Diff
56 lines
1.7 KiB
Diff
From c6516d2c672450fb27783866397a487511d90bba Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Fri, 22 Aug 2014 08:44:52 +0200
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Subject: [PATCH 08/17] bcma: only map wrapper if its address is available
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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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The Chipcommon B core does not have a wrap address and it would fail here.
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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---
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drivers/bcma/host_soc.c | 4 ++++
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drivers/bcma/scan.c | 11 +++++++----
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2 files changed, 11 insertions(+), 4 deletions(-)
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--- a/drivers/bcma/host_soc.c
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+++ b/drivers/bcma/host_soc.c
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@@ -137,12 +137,16 @@ static void bcma_host_soc_block_write(st
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static u32 bcma_host_soc_aread32(struct bcma_device *core, u16 offset)
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{
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+ if (WARN_ONCE(!core->io_wrap, "Accessed core has no wrapper/agent\n"))
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+ return ~0;
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return readl(core->io_wrap + offset);
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}
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static void bcma_host_soc_awrite32(struct bcma_device *core, u16 offset,
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u32 value)
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{
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+ if (WARN_ONCE(!core->io_wrap, "Accessed core has no wrapper/agent\n"))
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+ return;
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writel(value, core->io_wrap + offset);
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}
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--- a/drivers/bcma/scan.c
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+++ b/drivers/bcma/scan.c
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@@ -421,10 +421,13 @@ static int bcma_get_next_core(struct bcm
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core->io_addr = ioremap_nocache(core->addr, BCMA_CORE_SIZE);
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if (!core->io_addr)
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return -ENOMEM;
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- core->io_wrap = ioremap_nocache(core->wrap, BCMA_CORE_SIZE);
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- if (!core->io_wrap) {
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- iounmap(core->io_addr);
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- return -ENOMEM;
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+ if (core->wrap) {
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+ core->io_wrap = ioremap_nocache(core->wrap,
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+ BCMA_CORE_SIZE);
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+ if (!core->io_wrap) {
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+ iounmap(core->io_addr);
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+ return -ENOMEM;
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+ }
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}
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}
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return 0;
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