diff options
Diffstat (limited to 'arm-clk-bcm2835-hdmi-fixes.patch')
| -rw-r--r-- | arm-clk-bcm2835-hdmi-fixes.patch | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/arm-clk-bcm2835-hdmi-fixes.patch b/arm-clk-bcm2835-hdmi-fixes.patch deleted file mode 100644 index ae76f39cb..000000000 --- a/arm-clk-bcm2835-hdmi-fixes.patch +++ /dev/null @@ -1,56 +0,0 @@ -From patchwork Thu Feb 8 13:43:37 2018 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -Subject: [3/4] clk: bcm2835: De-assert/assert PLL reset signal when appropriate -From: Boris Brezillon <boris.brezillon@bootlin.com> -X-Patchwork-Id: 10207157 -Message-Id: <20180208134338.24590-3-boris.brezillon@bootlin.com> -To: Florian Fainelli <f.fainelli@gmail.com>, Ray Jui <rjui@broadcom.com>, - Scott Branden <sbranden@broadcom.com>, - bcm-kernel-feedback-list@broadcom.com, - Stephen Warren <swarren@wwwdotorg.org>, - Lee Jones <lee@kernel.org>, Eric Anholt <eric@anholt.net>, - linux-rpi-kernel@lists.infradead.org, - Mike Turquette <mturquette@baylibre.com>, - Stephen Boyd <sboyd@codeaurora.org>, linux-clk@vger.kernel.org -Cc: Boris Brezillon <boris.brezillon@bootlin.com>, stable@vger.kernel.org -Date: Thu, 8 Feb 2018 14:43:37 +0100 - -In order to enable a PLL, not only the PLL has to be powered up and -locked, but you also have to de-assert the reset signal. The last part -was missing. Add it so PLLs that were not enabled by the FW/bootloader -can be enabled from Linux. - -Fixes: 41691b8862e2 ("clk: bcm2835: Add support for programming the audio domain clocks") -Cc: <stable@vger.kernel.org> -Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> ---- - drivers/clk/bcm/clk-bcm2835.c | 7 +++++++ - 1 file changed, 7 insertions(+) - -diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c -index a07f6451694a..6c5d4a8e426c 100644 ---- a/drivers/clk/bcm/clk-bcm2835.c -+++ b/drivers/clk/bcm/clk-bcm2835.c -@@ -602,6 +602,9 @@ static void bcm2835_pll_off(struct clk_hw *hw) - const struct bcm2835_pll_data *data = pll->data; - - spin_lock(&cprman->regs_lock); -+ cprman_write(cprman, data->a2w_ctrl_reg, -+ cprman_read(cprman, data->a2w_ctrl_reg) & -+ ~A2W_PLL_CTRL_PRST_DISABLE); - cprman_write(cprman, data->cm_ctrl_reg, - cprman_read(cprman, data->cm_ctrl_reg) | - CM_PLL_ANARST); -@@ -640,6 +643,10 @@ static int bcm2835_pll_on(struct clk_hw *hw) - cpu_relax(); - } - -+ cprman_write(cprman, data->a2w_ctrl_reg, -+ cprman_read(cprman, data->a2w_ctrl_reg) | -+ A2W_PLL_CTRL_PRST_DISABLE); -+ - return 0; - } - |