diff options
| author | Joel Stanley <joel@jms.id.au> | 2019-05-08 16:48:45 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2019-05-08 16:48:48 +0300 |
| commit | d09fc0c4bdfbcbe251df247b5a94e2a07dec9c2f (patch) | |
| tree | 893d98100d3ede2ff76905a67e1b9798c8c88868 /drivers/platform/x86/pmc_atom.c | |
| parent | 76cc3bd0c342199b0bc0fd6afc7035274bf7a718 (diff) | |
| parent | 274ede3e1a5fb3d0fd33acafb08993e95972c51f (diff) | |
| download | linux-dev-5.0.tar.xz | |
Merge tag 'v5.0.14' into dev-5.0dev-5.0
This is the 5.0.14 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/platform/x86/pmc_atom.c')
| -rw-r--r-- | drivers/platform/x86/pmc_atom.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/platform/x86/pmc_atom.c b/drivers/platform/x86/pmc_atom.c index 8f018b3f3cd4..eaec2d306481 100644 --- a/drivers/platform/x86/pmc_atom.c +++ b/drivers/platform/x86/pmc_atom.c @@ -17,6 +17,7 @@ #include <linux/debugfs.h> #include <linux/device.h> +#include <linux/dmi.h> #include <linux/init.h> #include <linux/io.h> #include <linux/platform_data/x86/clk-pmc-atom.h> @@ -391,11 +392,27 @@ static int pmc_dbgfs_register(struct pmc_dev *pmc) } #endif /* CONFIG_DEBUG_FS */ +/* + * Some systems need one or more of their pmc_plt_clks to be + * marked as critical. + */ +static const struct dmi_system_id critclk_systems[] __initconst = { + { + .ident = "MPL CEC1x", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "MPL AG"), + DMI_MATCH(DMI_PRODUCT_NAME, "CEC10 Family"), + }, + }, + { /*sentinel*/ } +}; + static int pmc_setup_clks(struct pci_dev *pdev, void __iomem *pmc_regmap, const struct pmc_data *pmc_data) { struct platform_device *clkdev; struct pmc_clk_data *clk_data; + const struct dmi_system_id *d = dmi_first_match(critclk_systems); clk_data = kzalloc(sizeof(*clk_data), GFP_KERNEL); if (!clk_data) @@ -403,6 +420,10 @@ static int pmc_setup_clks(struct pci_dev *pdev, void __iomem *pmc_regmap, clk_data->base = pmc_regmap; /* offset is added by client */ clk_data->clks = pmc_data->clks; + if (d) { + clk_data->critical = true; + pr_info("%s critclks quirk enabled\n", d->ident); + } clkdev = platform_device_register_data(&pdev->dev, "clk-pmc-atom", PLATFORM_DEVID_NONE, |