diff options
Diffstat (limited to 'target/linux/generic/backport-5.4/808-v5.8-i2c-pxa-add-and-use-definitions-for-IBMR-register.patch')
| -rw-r--r-- | target/linux/generic/backport-5.4/808-v5.8-i2c-pxa-add-and-use-definitions-for-IBMR-register.patch | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/target/linux/generic/backport-5.4/808-v5.8-i2c-pxa-add-and-use-definitions-for-IBMR-register.patch b/target/linux/generic/backport-5.4/808-v5.8-i2c-pxa-add-and-use-definitions-for-IBMR-register.patch deleted file mode 100644 index f197808d23..0000000000 --- a/target/linux/generic/backport-5.4/808-v5.8-i2c-pxa-add-and-use-definitions-for-IBMR-register.patch +++ /dev/null @@ -1,66 +0,0 @@ -From: Russell King <rmk+kernel@armlinux.org.uk> -Bcc: linux@mail.armlinux.org.uk -Cc: linux-i2c@vger.kernel.org -Subject: [PATCH 06/17] i2c: pxa: add and use definitions for IBMR register -MIME-Version: 1.0 -Content-Disposition: inline -Content-Transfer-Encoding: 8bit -Content-Type: text/plain; charset="utf-8" - -Add definitions for the bits in the IBMR register, and use them in the -code. This improves readability. - -Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> ---- - drivers/i2c/busses/i2c-pxa.c | 12 ++++++++---- - 1 file changed, 8 insertions(+), 4 deletions(-) - ---- a/drivers/i2c/busses/i2c-pxa.c -+++ b/drivers/i2c/busses/i2c-pxa.c -@@ -34,6 +34,9 @@ - #include <linux/slab.h> - - /* I2C register field definitions */ -+#define IBMR_SDAS (1 << 0) -+#define IBMR_SCLS (1 << 1) -+ - #define ICR_START (1 << 0) /* start bit */ - #define ICR_STOP (1 << 1) /* stop bit */ - #define ICR_ACKNAK (1 << 2) /* send ACK(0) or NAK(1) */ -@@ -334,7 +337,7 @@ static void i2c_pxa_abort(struct pxa_i2c - return; - } - -- while ((i > 0) && (readl(_IBMR(i2c)) & 0x1) == 0) { -+ while ((i > 0) && (readl(_IBMR(i2c)) & IBMR_SDAS) == 0) { - unsigned long icr = readl(_ICR(i2c)); - - icr &= ~ICR_START; -@@ -389,7 +392,8 @@ static int i2c_pxa_wait_master(struct px - * quick check of the i2c lines themselves to ensure they've - * gone high... - */ -- if ((readl(_ISR(i2c)) & (ISR_UB | ISR_IBB)) == 0 && readl(_IBMR(i2c)) == 3) { -+ if ((readl(_ISR(i2c)) & (ISR_UB | ISR_IBB)) == 0 && -+ readl(_IBMR(i2c)) == (IBMR_SCLS | IBMR_SDAS)) { - if (i2c_debug > 0) - dev_dbg(&i2c->adap.dev, "%s: done\n", __func__); - return 1; -@@ -574,7 +578,7 @@ static void i2c_pxa_slave_start(struct p - timeout = 0x10000; - - while (1) { -- if ((readl(_IBMR(i2c)) & 2) == 2) -+ if ((readl(_IBMR(i2c)) & IBMR_SCLS) == IBMR_SCLS) - break; - - timeout--; -@@ -637,7 +641,7 @@ static void i2c_pxa_slave_start(struct p - timeout = 0x10000; - - while (1) { -- if ((readl(_IBMR(i2c)) & 2) == 2) -+ if ((readl(_IBMR(i2c)) & IBMR_SCLS) == IBMR_SCLS) - break; - - timeout--; |