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* [PATCH v2 1/2] clk: bcm2835: Fix compiler warnings on 64-bit builds
@ 2016-04-13 20:05 Eric Anholt
  2016-04-13 20:05 ` [PATCH v2 2/2] clk: bcm2835: Fix PLL poweron Eric Anholt
                   ` (2 more replies)
  0 siblings, 3 replies; 7+ messages in thread
From: Eric Anholt @ 2016-04-13 20:05 UTC (permalink / raw)
  To: linux-arm-kernel

Signed-off-by: Eric Anholt <eric@anholt.net>
---

v2: no change
 drivers/clk/bcm/clk-bcm2835.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index 4c0f1b504e2f..87616ded5bbe 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -400,17 +400,17 @@ struct bcm2835_pll_ana_bits {
 static const struct bcm2835_pll_ana_bits bcm2835_ana_default = {
 	.mask0 = 0,
 	.set0 = 0,
-	.mask1 = ~(A2W_PLL_KI_MASK | A2W_PLL_KP_MASK),
+	.mask1 = (u32)~(A2W_PLL_KI_MASK | A2W_PLL_KP_MASK),
 	.set1 = (2 << A2W_PLL_KI_SHIFT) | (8 << A2W_PLL_KP_SHIFT),
-	.mask3 = ~A2W_PLL_KA_MASK,
+	.mask3 = (u32)~A2W_PLL_KA_MASK,
 	.set3 = (2 << A2W_PLL_KA_SHIFT),
 	.fb_prediv_mask = BIT(14),
 };
 
 static const struct bcm2835_pll_ana_bits bcm2835_ana_pllh = {
-	.mask0 = ~(A2W_PLLH_KA_MASK | A2W_PLLH_KI_LOW_MASK),
+	.mask0 = (u32)~(A2W_PLLH_KA_MASK | A2W_PLLH_KI_LOW_MASK),
 	.set0 = (2 << A2W_PLLH_KA_SHIFT) | (2 << A2W_PLLH_KI_LOW_SHIFT),
-	.mask1 = ~(A2W_PLLH_KI_HIGH_MASK | A2W_PLLH_KP_MASK),
+	.mask1 = (u32)~(A2W_PLLH_KI_HIGH_MASK | A2W_PLLH_KP_MASK),
 	.set1 = (6 << A2W_PLLH_KP_SHIFT),
 	.mask3 = 0,
 	.set3 = 0,
-- 
2.8.0.rc3

^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [PATCH v2 2/2] clk: bcm2835: Fix PLL poweron
  2016-04-13 20:05 [PATCH v2 1/2] clk: bcm2835: Fix compiler warnings on 64-bit builds Eric Anholt
@ 2016-04-13 20:05 ` Eric Anholt
  2016-04-16  0:17   ` Stephen Boyd
  2016-04-19 21:04   ` Stephen Boyd
  2016-04-16  0:17 ` [PATCH v2 1/2] clk: bcm2835: Fix compiler warnings on 64-bit builds Stephen Boyd
  2016-04-19 21:04 ` Stephen Boyd
  2 siblings, 2 replies; 7+ messages in thread
From: Eric Anholt @ 2016-04-13 20:05 UTC (permalink / raw)
  To: linux-arm-kernel

In poweroff, we set the reset bit and the power down bit, but only
managed to unset the reset bit for poweron.  This meant that if HDMI
did -EPROBE_DEFER after it had grabbed its clocks, we'd power down the
PLLH (that had been on at boot time) and never recover.

Signed-off-by: Eric Anholt <eric@anholt.net>
Fixes: 41691b8862e2 ("clk: bcm2835: Add support for programming the audio domain clocks")
Cc: stable at vger.kernel.org
---

v2: add fixes tag

 drivers/clk/bcm/clk-bcm2835.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index 87616ded5bbe..7a7970865c2d 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -554,6 +554,10 @@ static int bcm2835_pll_on(struct clk_hw *hw)
 	const struct bcm2835_pll_data *data = pll->data;
 	ktime_t timeout;
 
+	cprman_write(cprman, data->a2w_ctrl_reg,
+		     cprman_read(cprman, data->a2w_ctrl_reg) &
+		     ~A2W_PLL_CTRL_PWRDN);
+
 	/* Take the PLL out of reset. */
 	cprman_write(cprman, data->cm_ctrl_reg,
 		     cprman_read(cprman, data->cm_ctrl_reg) & ~CM_PLL_ANARST);
-- 
2.8.0.rc3

^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [PATCH v2 1/2] clk: bcm2835: Fix compiler warnings on 64-bit builds
  2016-04-13 20:05 [PATCH v2 1/2] clk: bcm2835: Fix compiler warnings on 64-bit builds Eric Anholt
  2016-04-13 20:05 ` [PATCH v2 2/2] clk: bcm2835: Fix PLL poweron Eric Anholt
@ 2016-04-16  0:17 ` Stephen Boyd
  2016-04-18 17:44   ` Eric Anholt
  2016-04-19 21:04 ` Stephen Boyd
  2 siblings, 1 reply; 7+ messages in thread
From: Stephen Boyd @ 2016-04-16  0:17 UTC (permalink / raw)
  To: linux-arm-kernel

On 04/13, Eric Anholt wrote:
> Signed-off-by: Eric Anholt <eric@anholt.net>
> ---

Acked-by: Stephen Boyd <sboyd@codeaurora.org>

Or can I merge this? It wasn't addressed To: me so who knows.
-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

^ permalink raw reply	[flat|nested] 7+ messages in thread

* [PATCH v2 2/2] clk: bcm2835: Fix PLL poweron
  2016-04-13 20:05 ` [PATCH v2 2/2] clk: bcm2835: Fix PLL poweron Eric Anholt
@ 2016-04-16  0:17   ` Stephen Boyd
  2016-04-19 21:04   ` Stephen Boyd
  1 sibling, 0 replies; 7+ messages in thread
From: Stephen Boyd @ 2016-04-16  0:17 UTC (permalink / raw)
  To: linux-arm-kernel

On 04/13, Eric Anholt wrote:
> In poweroff, we set the reset bit and the power down bit, but only
> managed to unset the reset bit for poweron.  This meant that if HDMI
> did -EPROBE_DEFER after it had grabbed its clocks, we'd power down the
> PLLH (that had been on at boot time) and never recover.
> 
> Signed-off-by: Eric Anholt <eric@anholt.net>
> Fixes: 41691b8862e2 ("clk: bcm2835: Add support for programming the audio domain clocks")
> Cc: stable at vger.kernel.org
> ---

Acked-by: Stephen Boyd <sboyd@codeaurora.org>

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

^ permalink raw reply	[flat|nested] 7+ messages in thread

* [PATCH v2 1/2] clk: bcm2835: Fix compiler warnings on 64-bit builds
  2016-04-16  0:17 ` [PATCH v2 1/2] clk: bcm2835: Fix compiler warnings on 64-bit builds Stephen Boyd
@ 2016-04-18 17:44   ` Eric Anholt
  0 siblings, 0 replies; 7+ messages in thread
From: Eric Anholt @ 2016-04-18 17:44 UTC (permalink / raw)
  To: linux-arm-kernel

Stephen Boyd <sboyd@codeaurora.org> writes:

> On 04/13, Eric Anholt wrote:
>> Signed-off-by: Eric Anholt <eric@anholt.net>
>> ---
>
> Acked-by: Stephen Boyd <sboyd@codeaurora.org>
>
> Or can I merge this? It wasn't addressed To: me so who knows.

Yeah, please merge it.
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^ permalink raw reply	[flat|nested] 7+ messages in thread

* [PATCH v2 1/2] clk: bcm2835: Fix compiler warnings on 64-bit builds
  2016-04-13 20:05 [PATCH v2 1/2] clk: bcm2835: Fix compiler warnings on 64-bit builds Eric Anholt
  2016-04-13 20:05 ` [PATCH v2 2/2] clk: bcm2835: Fix PLL poweron Eric Anholt
  2016-04-16  0:17 ` [PATCH v2 1/2] clk: bcm2835: Fix compiler warnings on 64-bit builds Stephen Boyd
@ 2016-04-19 21:04 ` Stephen Boyd
  2 siblings, 0 replies; 7+ messages in thread
From: Stephen Boyd @ 2016-04-19 21:04 UTC (permalink / raw)
  To: linux-arm-kernel

On 04/13, Eric Anholt wrote:
> Signed-off-by: Eric Anholt <eric@anholt.net>
> ---

Applied to clk-next

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

^ permalink raw reply	[flat|nested] 7+ messages in thread

* [PATCH v2 2/2] clk: bcm2835: Fix PLL poweron
  2016-04-13 20:05 ` [PATCH v2 2/2] clk: bcm2835: Fix PLL poweron Eric Anholt
  2016-04-16  0:17   ` Stephen Boyd
@ 2016-04-19 21:04   ` Stephen Boyd
  1 sibling, 0 replies; 7+ messages in thread
From: Stephen Boyd @ 2016-04-19 21:04 UTC (permalink / raw)
  To: linux-arm-kernel

On 04/13, Eric Anholt wrote:
> In poweroff, we set the reset bit and the power down bit, but only
> managed to unset the reset bit for poweron.  This meant that if HDMI
> did -EPROBE_DEFER after it had grabbed its clocks, we'd power down the
> PLLH (that had been on at boot time) and never recover.
> 
> Signed-off-by: Eric Anholt <eric@anholt.net>
> Fixes: 41691b8862e2 ("clk: bcm2835: Add support for programming the audio domain clocks")
> Cc: stable at vger.kernel.org
> ---

Applied to clk-next

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2016-04-19 21:04 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-04-13 20:05 [PATCH v2 1/2] clk: bcm2835: Fix compiler warnings on 64-bit builds Eric Anholt
2016-04-13 20:05 ` [PATCH v2 2/2] clk: bcm2835: Fix PLL poweron Eric Anholt
2016-04-16  0:17   ` Stephen Boyd
2016-04-19 21:04   ` Stephen Boyd
2016-04-16  0:17 ` [PATCH v2 1/2] clk: bcm2835: Fix compiler warnings on 64-bit builds Stephen Boyd
2016-04-18 17:44   ` Eric Anholt
2016-04-19 21:04 ` Stephen Boyd

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