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Commit 00ae7946 authored by Barry Song's avatar Barry Song Committed by Greg Kroah-Hartman
Browse files

Staging: iio: adis16209/220/240/350: tuning spi delay to make hardware more stable 



Signed-off-by: default avatarBarry Song <21cnbao@gmail.com>
Acked-by: default avatarJonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 3fd66da1

drivers/staging/iio/accel/adis16209_core.c

+4 −2
Original line number Original line Diff line number Diff line
@@ -76,11 +76,13 @@ static int adis16209_spi_write_reg_16(struct device *dev, 
			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 30,

		}, {

		}, {

			.tx_buf = st->tx + 2,

			.tx_buf = st->tx + 2,

			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 30,

		},

		},

	};

	};
@@ -120,13 +122,13 @@ static int adis16209_spi_read_reg_16(struct device *dev, 
			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 20,

			.delay_usecs = 30,

		}, {

		}, {

			.rx_buf = st->rx,

			.rx_buf = st->rx,

			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 20,

			.delay_usecs = 30,

		},

		},

	};

	};

drivers/staging/iio/accel/adis16220_core.c

+6 −6
Original line number Original line Diff line number Diff line
@@ -72,13 +72,13 @@ static int adis16220_spi_write_reg_16(struct device *dev, 
			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 25,

			.delay_usecs = 35,

		}, {

		}, {

			.tx_buf = st->tx + 2,

			.tx_buf = st->tx + 2,

			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 25,

			.delay_usecs = 35,

		},

		},

	};

	};
@@ -118,13 +118,13 @@ static int adis16220_spi_read_reg_16(struct device *dev, 
			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 25,

			.delay_usecs = 35,

		}, {

		}, {

			.rx_buf = st->rx,

			.rx_buf = st->rx,

			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 25,

			.delay_usecs = 35,

		},

		},

	};

	};
@@ -291,9 +291,9 @@ static int adis16220_check_status(struct device *dev) 
	if (status & ADIS16220_DIAG_STAT_FLASH_UPT)

	if (status & ADIS16220_DIAG_STAT_FLASH_UPT)

		dev_err(dev, "Flash update failed\n");

		dev_err(dev, "Flash update failed\n");

	if (status & ADIS16220_DIAG_STAT_POWER_HIGH)

	if (status & ADIS16220_DIAG_STAT_POWER_HIGH)

		dev_err(dev, "Power supply above 5.25V\n");

		dev_err(dev, "Power supply above 3.625V\n");

	if (status & ADIS16220_DIAG_STAT_POWER_LOW)

	if (status & ADIS16220_DIAG_STAT_POWER_LOW)

		dev_err(dev, "Power supply below 4.75V\n");

		dev_err(dev, "Power supply below 3.15V\n");





error_ret:

error_ret:

	return ret;

	return ret;

drivers/staging/iio/accel/adis16240_core.c

+4 −4
Original line number Original line Diff line number Diff line
@@ -74,13 +74,13 @@ static int adis16240_spi_write_reg_16(struct device *dev, 
			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 25,

			.delay_usecs = 35,

		}, {

		}, {

			.tx_buf = st->tx + 2,

			.tx_buf = st->tx + 2,

			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 25,

			.delay_usecs = 35,

		},

		},

	};

	};
@@ -120,13 +120,13 @@ static int adis16240_spi_read_reg_16(struct device *dev, 
			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 25,

			.delay_usecs = 35,

		}, {

		}, {

			.rx_buf = st->rx,

			.rx_buf = st->rx,

			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 25,

			.delay_usecs = 35,

		},

		},

	};

	};

drivers/staging/iio/imu/adis16350_core.c

+4 −4
Original line number Original line Diff line number Diff line
@@ -75,13 +75,13 @@ static int adis16350_spi_write_reg_16(struct device *dev, 
			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 25,

			.delay_usecs = 35,

		}, {

		}, {

			.tx_buf = st->tx + 2,

			.tx_buf = st->tx + 2,

			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 25,

			.delay_usecs = 35,

		},

		},

	};

	};
@@ -121,13 +121,13 @@ static int adis16350_spi_read_reg_16(struct device *dev, 
			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 25,

			.delay_usecs = 35,

		}, {

		}, {

			.rx_buf = st->rx,

			.rx_buf = st->rx,

			.bits_per_word = 8,

			.bits_per_word = 8,

			.len = 2,

			.len = 2,

			.cs_change = 1,

			.cs_change = 1,

			.delay_usecs = 25,

			.delay_usecs = 35,

		},

		},

	};

	};