staging: comedi: daqboard2000: change daqboard2000_write_cpld() return value (7680a227) · Commits · 戴 / test

`daqboard2000_write_cpld()` currently returns 1 on success, or 0 on failure. Change it to return 0 on success, or `-EIO` on failure. Signed-off-by:

drivers/staging/comedi/drivers/daqboard2000.c

+4 −5

Original line number	Diff line number	Diff line
		@@ -491,12 +491,12 @@ static int daqboard2000_wait_cpld_init(struct comedi_device *dev)

		static int daqboard2000_write_cpld(struct comedi_device *dev, u16 data)
		{
		int result = 0;
		int result = -EIO;

		usleep_range(10, 20);
		writew(data, dev->mmio + DB2K_REG_CPLD_WDATA);
		if (readw(dev->mmio + DB2K_REG_CPLD_STATUS) & DB2K_CPLD_STATUS_INIT)
		result = 1;
		result = 0;

		return result;
		}
		@@ -547,11 +547,10 @@ static int daqboard2000_load_firmware(struct comedi_device *dev,
		for (; i < len; i += 2) {
		u16 data = (cpld_array[i] << 8) + cpld_array[i + 1];

		if (!daqboard2000_write_cpld(dev, data)) {
		result = -EIO;
		result = daqboard2000_write_cpld(dev, data);
		if (result)
		break;
		}
		}
		if (result == 0) {
		daqboard2000_reset_local_bus(dev);
		daqboard2000_reload_plx(dev);