linux-kernel - Re: [PATCH] clk: aspeed: Mark bclk (PCIe) and dclk (VGA) as critical

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Date:   Fri, 6 Jul 2018 10:58:43 +1000
From:   Joel Stanley <joel@....id.au>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     Andrew Jeffery <andrew@...id.au>, linux-clk@...r.kernel.org,
        linux-aspeed@...ts.ozlabs.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] clk: aspeed: Mark bclk (PCIe) and dclk (VGA) as critical

On 7 June 2018 at 17:09, Joel Stanley <joel@....id.au> wrote:
> This is used by the host to talk to the BMC's PCIe slave device. The BMC
> is not involved, but the clock needs to be enabled so the host can use
> the device.
>
> Fixes: 15ed8ce5f84e ("clk: aspeed: Register gated clocks")
> Cc: stable@...r.kernel.org # 4.15
> Acked-by: Andrew Jeffery <andrew@...id.au>
> Tested-by: Lei YU <mine260309@...il.com>
> Signed-off-by: Joel Stanley <joel@....id.au>

Ping?

> ---
>  drivers/clk/clk-aspeed.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/clk/clk-aspeed.c b/drivers/clk/clk-aspeed.c
> index 4d425594999d..c17032bc853a 100644
> --- a/drivers/clk/clk-aspeed.c
> +++ b/drivers/clk/clk-aspeed.c
> @@ -91,8 +91,8 @@ static const struct aspeed_gate_data aspeed_gates[] = {
>         [ASPEED_CLK_GATE_GCLK] =        {  1,  7, "gclk-gate",          NULL,   0 }, /* 2D engine */
>         [ASPEED_CLK_GATE_MCLK] =        {  2, -1, "mclk-gate",          "mpll", CLK_IS_CRITICAL }, /* SDRAM */
>         [ASPEED_CLK_GATE_VCLK] =        {  3,  6, "vclk-gate",          NULL,   0 }, /* Video Capture */
> -       [ASPEED_CLK_GATE_BCLK] =        {  4,  8, "bclk-gate",          "bclk", 0 }, /* PCIe/PCI */
> -       [ASPEED_CLK_GATE_DCLK] =        {  5, -1, "dclk-gate",          NULL,   0 }, /* DAC */
> +       [ASPEED_CLK_GATE_BCLK] =        {  4,  8, "bclk-gate",          "bclk", CLK_IS_CRITICAL }, /* PCIe/PCI */
> +       [ASPEED_CLK_GATE_DCLK] =        {  5, -1, "dclk-gate",          NULL,   CLK_IS_CRITICAL }, /* DAC */
>         [ASPEED_CLK_GATE_REFCLK] =      {  6, -1, "refclk-gate",        "clkin", CLK_IS_CRITICAL },
>         [ASPEED_CLK_GATE_USBPORT2CLK] = {  7,  3, "usb-port2-gate",     NULL,   0 }, /* USB2.0 Host port 2 */
>         [ASPEED_CLK_GATE_LCLK] =        {  8,  5, "lclk-gate",          NULL,   0 }, /* LPC */
> --
> 2.17.1
>