* [PATCH] bcma: implement disabling PLLs
@ 2013-02-26 9:02 Rafał Miłecki
0 siblings, 0 replies; only message in thread
From: Rafał Miłecki @ 2013-02-26 9:02 UTC (permalink / raw)
To: linux-wireless, John W. Linville; +Cc: Rafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
drivers/bcma/core.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/bcma/core.c b/drivers/bcma/core.c
index 03bbe10..17b26ce 100644
--- a/drivers/bcma/core.c
+++ b/drivers/bcma/core.c
@@ -104,7 +104,13 @@ void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status, bool on)
if (i)
bcma_err(core->bus, "PLL enable timeout\n");
} else {
- bcma_warn(core->bus, "Disabling PLL not supported yet!\n");
+ /*
+ * Mask the PLL but don't wait for it to be disabled. PLL may be
+ * shared between cores and will be still up if there is another
+ * core using it.
+ */
+ bcma_mask32(core, BCMA_CLKCTLST, ~req);
+ bcma_read32(core, BCMA_CLKCTLST);
}
}
EXPORT_SYMBOL_GPL(bcma_core_pll_ctl);
--
1.7.10.4
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