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807366af38
This patch has been backported to stable kernel 5.4 already. Remove our local patch explicitly now, as by applying the patch (or refreshing) the relevant code is actually added a second time. Refresh remaining patches as well. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
129 lines
5.0 KiB
Diff
129 lines
5.0 KiB
Diff
From: Russell King <rmk+kernel@armlinux.org.uk>
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Bcc: linux@mail.armlinux.org.uk
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Cc: linux-i2c@vger.kernel.org
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Subject: [PATCH 08/17] i2c: pxa: move private definitions to i2c-pxa.c
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MIME-Version: 1.0
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Content-Disposition: inline
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Content-Transfer-Encoding: 8bit
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Content-Type: text/plain; charset="utf-8"
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Move driver-private definitions out of the i2c-pxa.h platform data
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header file into the driver itself. Nothing outside of the driver
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makes use of these constants.
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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---
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drivers/i2c/busses/i2c-pxa.c | 43 ++++++++++++++++++++++++
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include/linux/platform_data/i2c-pxa.h | 48 ---------------------------
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2 files changed, 43 insertions(+), 48 deletions(-)
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--- a/drivers/i2c/busses/i2c-pxa.c
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+++ b/drivers/i2c/busses/i2c-pxa.c
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@@ -86,6 +86,49 @@
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#define IWCR_HS_CNT2_SHIFT 10
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#define IWCR_HS_CNT2_MASK (0x1F << IWCR_HS_CNT2_SHIFT)
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+/* need a longer timeout if we're dealing with the fact we may well be
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+ * looking at a multi-master environment
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+ */
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+#define DEF_TIMEOUT 32
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+
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+#define BUS_ERROR (-EREMOTEIO)
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+#define XFER_NAKED (-ECONNREFUSED)
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+#define I2C_RETRY (-2000) /* an error has occurred retry transmit */
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+
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+/* ICR initialize bit values
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+ *
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+ * 15 FM 0 (100 kHz operation)
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+ * 14 UR 0 (No unit reset)
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+ * 13 SADIE 0 (Disables the unit from interrupting on slave addresses
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+ * matching its slave address)
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+ * 12 ALDIE 0 (Disables the unit from interrupt when it loses arbitration
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+ * in master mode)
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+ * 11 SSDIE 0 (Disables interrupts from a slave stop detected, in slave mode)
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+ * 10 BEIE 1 (Enable interrupts from detected bus errors, no ACK sent)
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+ * 9 IRFIE 1 (Enable interrupts from full buffer received)
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+ * 8 ITEIE 1 (Enables the I2C unit to interrupt when transmit buffer empty)
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+ * 7 GCD 1 (Disables i2c unit response to general call messages as a slave)
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+ * 6 IUE 0 (Disable unit until we change settings)
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+ * 5 SCLE 1 (Enables the i2c clock output for master mode (drives SCL)
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+ * 4 MA 0 (Only send stop with the ICR stop bit)
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+ * 3 TB 0 (We are not transmitting a byte initially)
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+ * 2 ACKNAK 0 (Send an ACK after the unit receives a byte)
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+ * 1 STOP 0 (Do not send a STOP)
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+ * 0 START 0 (Do not send a START)
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+ */
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+#define I2C_ICR_INIT (ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD | ICR_SCLE)
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+
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+/* I2C status register init values
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+ *
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+ * 10 BED 1 (Clear bus error detected)
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+ * 9 SAD 1 (Clear slave address detected)
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+ * 7 IRF 1 (Clear IDBR Receive Full)
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+ * 6 ITE 1 (Clear IDBR Transmit Empty)
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+ * 5 ALD 1 (Clear Arbitration Loss Detected)
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+ * 4 SSD 1 (Clear Slave Stop Detected)
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+ */
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+#define I2C_ISR_INIT 0x7FF /* status register init */
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+
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struct pxa_reg_layout {
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u32 ibmr;
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u32 idbr;
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--- a/include/linux/platform_data/i2c-pxa.h
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+++ b/include/linux/platform_data/i2c-pxa.h
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@@ -7,54 +7,6 @@
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#ifndef _I2C_PXA_H_
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#define _I2C_PXA_H_
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-#if 0
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-#define DEF_TIMEOUT 3
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-#else
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-/* need a longer timeout if we're dealing with the fact we may well be
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- * looking at a multi-master environment
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-*/
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-#define DEF_TIMEOUT 32
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-#endif
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-
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-#define BUS_ERROR (-EREMOTEIO)
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-#define XFER_NAKED (-ECONNREFUSED)
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-#define I2C_RETRY (-2000) /* an error has occurred retry transmit */
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-
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-/* ICR initialize bit values
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-*
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-* 15. FM 0 (100 Khz operation)
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-* 14. UR 0 (No unit reset)
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-* 13. SADIE 0 (Disables the unit from interrupting on slave addresses
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-* matching its slave address)
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-* 12. ALDIE 0 (Disables the unit from interrupt when it loses arbitration
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-* in master mode)
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-* 11. SSDIE 0 (Disables interrupts from a slave stop detected, in slave mode)
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-* 10. BEIE 1 (Enable interrupts from detected bus errors, no ACK sent)
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-* 9. IRFIE 1 (Enable interrupts from full buffer received)
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-* 8. ITEIE 1 (Enables the I2C unit to interrupt when transmit buffer empty)
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-* 7. GCD 1 (Disables i2c unit response to general call messages as a slave)
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-* 6. IUE 0 (Disable unit until we change settings)
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-* 5. SCLE 1 (Enables the i2c clock output for master mode (drives SCL)
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-* 4. MA 0 (Only send stop with the ICR stop bit)
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-* 3. TB 0 (We are not transmitting a byte initially)
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-* 2. ACKNAK 0 (Send an ACK after the unit receives a byte)
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-* 1. STOP 0 (Do not send a STOP)
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-* 0. START 0 (Do not send a START)
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-*
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-*/
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-#define I2C_ICR_INIT (ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD | ICR_SCLE)
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-
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-/* I2C status register init values
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- *
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- * 10. BED 1 (Clear bus error detected)
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- * 9. SAD 1 (Clear slave address detected)
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- * 7. IRF 1 (Clear IDBR Receive Full)
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- * 6. ITE 1 (Clear IDBR Transmit Empty)
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- * 5. ALD 1 (Clear Arbitration Loss Detected)
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- * 4. SSD 1 (Clear Slave Stop Detected)
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- */
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-#define I2C_ISR_INIT 0x7FF /* status register init */
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-
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struct i2c_slave_client;
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struct i2c_pxa_platform_data {
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