diff options
| author | David S. Miller <davem@davemloft.net> | 2019-04-17 11:26:25 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-04-17 11:26:25 -0700 |
| commit | 6b0a7f84ea1fe248df96ccc4dd86e817e32ef65b (patch) | |
| tree | 0a7976054052e793da782c2b7ec34eccfbf66449 /drivers/platform/x86/pmc_atom.c | |
| parent | cea0aa9cbd5ad4efe267e9487ed5d48d16756253 (diff) | |
| parent | fe5cdef29e41c8bda8cd1a11545e7c6bfe25570e (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflict resolution of af_smc.c from Stephen Rothwell.
Signed-off-by: David S. Miller <davem@davemloft.net>
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..c7039f52ad51 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[] = { + { + .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, |