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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2018-03-01 13:41:29 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-09 10:24:38 -0800 |
| commit | 7d6e2143bed7dd61dac3a00321292b36d63c2a2f (patch) | |
| tree | 7d33dffef7d8755d126b2f161b7be3ea44097b26 /drivers/tty | |
| parent | 9d1a50a2cceb3a8589531f7a2652f1a478df8907 (diff) | |
| download | linux-0-day-7d6e2143bed7dd61dac3a00321292b36d63c2a2f.tar.gz linux-0-day-7d6e2143bed7dd61dac3a00321292b36d63c2a2f.tar.xz | |
serial: 8250_dw: Switch to use acpi_dev_present()
Special settings for APMC0D08 are applied when device is present
in the system. To check its presence we may use acpi_dev_present()
instead of current open coded variant.
Cc: Feng Kan <fkan@apm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/8250/8250_dw.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index 41618b7801465..6fcdb90f616a7 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -357,17 +357,11 @@ static void dw8250_quirks(struct uart_port *p, struct dw8250_data *data) p->serial_in = dw8250_serial_in32be; p->serial_out = dw8250_serial_out32be; } - } else if (has_acpi_companion(p->dev)) { - const struct acpi_device_id *id; - - id = acpi_match_device(p->dev->driver->acpi_match_table, - p->dev); - if (id && !strcmp(id->id, "APMC0D08")) { - p->iotype = UPIO_MEM32; - p->regshift = 2; - p->serial_in = dw8250_serial_in32; - data->uart_16550_compatible = true; - } + } else if (acpi_dev_present("APMC0D08", NULL, -1)) { + p->iotype = UPIO_MEM32; + p->regshift = 2; + p->serial_in = dw8250_serial_in32; + data->uart_16550_compatible = true; } /* Platforms with iDMA */ |