i2c: jz4780: silence log flood on txabrt
authorWolfram Sang <wsa@the-dreams.de>
Wed, 12 Feb 2020 09:35:30 +0000 (10:35 +0100)
committerWolfram Sang <wsa@the-dreams.de>
Thu, 13 Feb 2020 08:24:04 +0000 (09:24 +0100)
The printout for txabrt is way too talkative and is highly annoying with
scanning programs like 'i2cdetect'. Reduce it to the minimum, the rest
can be gained by I2C core debugging and datasheet information. Also,
make it a debug printout, it won't help the regular user.

Fixes: ba92222ed63a ("i2c: jz4780: Add i2c bus controller driver for Ingenic JZ4780")
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Tested-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
drivers/i2c/busses/i2c-jz4780.c

index 16a67a64284a04c2d58192e1e763a63f3d13f51f..b426fc9569387d431a955fe3f274f87f735c11f9 100644 (file)
 
 #define X1000_I2C_DC_STOP              BIT(9)
 
-static const char * const jz4780_i2c_abrt_src[] = {
-       "ABRT_7B_ADDR_NOACK",
-       "ABRT_10ADDR1_NOACK",
-       "ABRT_10ADDR2_NOACK",
-       "ABRT_XDATA_NOACK",
-       "ABRT_GCALL_NOACK",
-       "ABRT_GCALL_READ",
-       "ABRT_HS_ACKD",
-       "SBYTE_ACKDET",
-       "ABRT_HS_NORSTRT",
-       "SBYTE_NORSTRT",
-       "ABRT_10B_RD_NORSTRT",
-       "ABRT_MASTER_DIS",
-       "ARB_LOST",
-       "SLVFLUSH_TXFIFO",
-       "SLV_ARBLOST",
-       "SLVRD_INTX",
-};
-
 #define JZ4780_I2C_INTST_IGC           BIT(11)
 #define JZ4780_I2C_INTST_ISTT          BIT(10)
 #define JZ4780_I2C_INTST_ISTP          BIT(9)
@@ -576,21 +557,8 @@ done:
 
 static void jz4780_i2c_txabrt(struct jz4780_i2c *i2c, int src)
 {
-       int i;
-
-       dev_err(&i2c->adap.dev, "txabrt: 0x%08x\n", src);
-       dev_err(&i2c->adap.dev, "device addr=%x\n",
-               jz4780_i2c_readw(i2c, JZ4780_I2C_TAR));
-       dev_err(&i2c->adap.dev, "send cmd count:%d  %d\n",
-               i2c->cmd, i2c->cmd_buf[i2c->cmd]);
-       dev_err(&i2c->adap.dev, "receive data count:%d  %d\n",
-               i2c->cmd, i2c->data_buf[i2c->cmd]);
-
-       for (i = 0; i < 16; i++) {
-               if (src & BIT(i))
-                       dev_dbg(&i2c->adap.dev, "I2C TXABRT[%d]=%s\n",
-                               i, jz4780_i2c_abrt_src[i]);
-       }
+       dev_dbg(&i2c->adap.dev, "txabrt: 0x%08x, cmd: %d, send: %d, recv: %d\n",
+               src, i2c->cmd, i2c->cmd_buf[i2c->cmd], i2c->data_buf[i2c->cmd]);
 }
 
 static inline int jz4780_i2c_xfer_read(struct jz4780_i2c *i2c,