On 06/26/2013 05:58 AM, Darren Hart wrote:
> Subject: [PATCH] pch_uart: Use DMI interface for board detection
>
> Use the DMI interface rather than manually matching DMI strings.
>
> Signed-off-by: Darren Hart <dvh...@linux.intel.com>
> ---
> drivers/tty/serial/pch_uart.c | 71
> +++++++++++++++++++++++++++++--------------
> 1 file changed, 49 insertions(+), 22 deletions(-)
>
> diff --git a/drivers/tty/serial/pch_uart.c
> b/drivers/tty/serial/pch_uart.c
> index 572d481..271cc73 100644
> --- a/drivers/tty/serial/pch_uart.c
> +++ b/drivers/tty/serial/pch_uart.c
> @@ -373,35 +373,62 @@ static const struct file_operations port_regs_ops
> = {
> };
> #endif /* CONFIG_DEBUG_FS */
>
> +static struct dmi_system_id __initdata pch_uart_dmi_table[] = {
> + {
> + .ident = "CM-iTC",
> + {
> + DMI_MATCH(DMI_BOARD_NAME, "CM-iTC"),
> + },
> + (void *)CMITC_UARTCLK,
> + },
> + {
> + .ident = "FRI2",
> + {
> + DMI_MATCH(DMI_BIOS_VERSION, "FRI2"),
> + },
> + (void *)FRI2_64_UARTCLK,
> + },
> + {
> + .ident = "Fish River Island II",
> + {
> + DMI_MATCH(DMI_PRODUCT_NAME, "Fish River Island II"),
> + },
> + (void *)FRI2_48_UARTCLK,
> + },
> + {
> + .ident = "COMe-mTT",
> + {
> + DMI_MATCH(DMI_BOARD_NAME, "COMe-mTT"),
> + },
> + (void *)NTC1_UARTCLK,
> + },
> + {
> + .ident = "nanoETXexpress-TT",
> + {
> + DMI_MATCH(DMI_BOARD_NAME, "nanoETXexpress-TT"),
> + },
> + (void *)NTC1_UARTCLK,
> + },
> + {
> + .ident = "MinnowBoard",
> + {
> + DMI_MATCH(DMI_BOARD_NAME, "MinnowBoard"),
> + },
> + (void *)MINNOW_UARTCLK,
> + },
> +};
> +
> /* Return UART clock, checking for board specific clocks. */
> static int pch_uart_get_uartclk(void)
> {
> - const char *cmp;
> + const struct dmi_system_id *d;
>
> if (user_uartclk)
> return user_uartclk;
>
> - cmp = dmi_get_system_info(DMI_BOARD_NAME);
> - if (cmp && strstr(cmp, "CM-iTC"))
> - return CMITC_UARTCLK;
> -
> - cmp = dmi_get_system_info(DMI_BIOS_VERSION);
> - if (cmp && strnstr(cmp, "FRI2", 4))
> - return FRI2_64_UARTCLK;
> -
> - cmp = dmi_get_system_info(DMI_PRODUCT_NAME);
> - if (cmp && strstr(cmp, "Fish River Island II"))
> - return FRI2_48_UARTCLK;
> -
> - /* Kontron COMe-mTT10 (nanoETXexpress-TT) */
> - cmp = dmi_get_system_info(DMI_BOARD_NAME);
> - if (cmp && (strstr(cmp, "COMe-mTT") ||
> - strstr(cmp, "nanoETXexpress-TT")))
> - return NTC1_UARTCLK;
> -
> - cmp = dmi_get_system_info(DMI_BOARD_NAME);
> - if (cmp && strstr(cmp, "MinnowBoard"))
> - return MINNOW_UARTCLK;
> + d = dmi_first_match(pch_uart_dmi_table);
> + if (d)
> + return (int)d->driver_data;
This and the (void *) casts above will generate a warning on 64bit,
right? We need to go through long here...
--
js
suse labs
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