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Date: Tue, 28 Sep 2010 13:36:47 +0100 From: Alan Cox <alan@...ux.intel.com> To: linux-kernel@...r.kernel.org, x86@...nel.org Subject: [PATCH] support to overwrite DMI board info From: Jiang, Chao <chao.jiang@...el.com> support to overwrite board vendor/version/name information by editing /boot/cmdline file. Format example: board_vendor="XXX company" board_version=DV3.0 Signed-off-by: Jiang, Chao <chao.jiang@...el.com> Signed-off-by: Alan Cox <alan@...ux.intel.com> --- drivers/firmware/dmi_scan.c | 37 +++++++++++++++++++++++++++++++++++++ 1 files changed, 37 insertions(+), 0 deletions(-) diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index b3d22d6..5763618 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -712,3 +712,40 @@ bool dmi_match(enum dmi_field f, const char *str) return !strcmp(info, str); } EXPORT_SYMBOL_GPL(dmi_match); + +static int __init dmi_override(int slot, char *str) +{ + size_t len; + char *p; + if (!str) + return -EINVAL; + len = strlen(str) + 1; + p = dmi_alloc(len); + if (p != NULL) + strcpy(p, str); + else { + printk(KERN_ERR "dm_override: cannot allocate %Zu bytes.\n", + len); + return -ENOMEM; + } + dmi_ident[slot] = p; + return 0; +} + +static int __init override_dmi_board_vendor(char *str) +{ + return dmi_override(DMI_BOARD_VENDOR, str); +} +early_param("board_vendor", override_dmi_board_vendor); + +static int __init override_dmi_board_version(char *str) +{ + return dmi_override(DMI_BOARD_VERSION, str); +} +early_param("board_version", override_dmi_board_version); + +static int __init override_dmi_board_name(char *str) +{ + return dmi_override(DMI_BOARD_NAME, str); +} +early_param("board_name", override_dmi_board_name); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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