[RFC PATCH 03/10] thermal/drivers/tsens: drop single-cell code for msm8939

Dmitry Baryshkov
2022-09-10T12:47:11Z

There is no dtsi file for msm8939 in the kernel sources. Drop the
compatibility with unofficial dtsi and remove support for handling the
single-cell calibration data on msm8939.

Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
drivers/thermal/qcom/tsens-v0_1.c | 129 +-----------------------------
1 file changed, 1 insertion(+), 128 deletions(-)

diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c
index 2974eea578f4..add5d9dbc9d4 100644
--- a/drivers/thermal/qcom/tsens-v0_1.c
+++ b/drivers/thermal/qcom/tsens-v0_1.c
@@ -48,63 +48,6 @@
#define MSM8916_CAL_SEL_MASK 0xe0000000
#define MSM8916_CAL_SEL_SHIFT 29

-/* eeprom layout data for 8939 */
-#define MSM8939_BASE0_MASK 0x000000ff
-#define MSM8939_BASE1_MASK 0xff000000
-#define MSM8939_BASE0_SHIFT 0
-#define MSM8939_BASE1_SHIFT 24
-
-#define MSM8939_S0_P1_MASK 0x000001f8
-#define MSM8939_S1_P1_MASK 0x001f8000
-#define MSM8939_S2_P1_MASK_0_4 0xf8000000
-#define MSM8939_S2_P1_MASK_5 0x00000001
-#define MSM8939_S3_P1_MASK 0x00001f80
-#define MSM8939_S4_P1_MASK 0x01f80000
-#define MSM8939_S5_P1_MASK 0x00003f00
-#define MSM8939_S6_P1_MASK 0x03f00000
-#define MSM8939_S7_P1_MASK 0x0000003f
-#define MSM8939_S8_P1_MASK 0x0003f000
-#define MSM8939_S9_P1_MASK 0x07e00000
-
-#define MSM8939_S0_P2_MASK 0x00007e00
-#define MSM8939_S1_P2_MASK 0x07e00000
-#define MSM8939_S2_P2_MASK 0x0000007e
-#define MSM8939_S3_P2_MASK 0x0007e000
-#define MSM8939_S4_P2_MASK 0x7e000000
-#define MSM8939_S5_P2_MASK 0x000fc000
-#define MSM8939_S6_P2_MASK 0xfc000000
-#define MSM8939_S7_P2_MASK 0x00000fc0
-#define MSM8939_S8_P2_MASK 0x00fc0000
-#define MSM8939_S9_P2_MASK_0_4 0xf8000000
-#define MSM8939_S9_P2_MASK_5 0x00002000
-
-#define MSM8939_S0_P1_SHIFT 3
-#define MSM8939_S1_P1_SHIFT 15
-#define MSM8939_S2_P1_SHIFT_0_4 27
-#define MSM8939_S2_P1_SHIFT_5 0
-#define MSM8939_S3_P1_SHIFT 7
-#define MSM8939_S4_P1_SHIFT 19
-#define MSM8939_S5_P1_SHIFT 8
-#define MSM8939_S6_P1_SHIFT 20
-#define MSM8939_S7_P1_SHIFT 0
-#define MSM8939_S8_P1_SHIFT 12
-#define MSM8939_S9_P1_SHIFT 21
-
-#define MSM8939_S0_P2_SHIFT 9
-#define MSM8939_S1_P2_SHIFT 21
-#define MSM8939_S2_P2_SHIFT 1
-#define MSM8939_S3_P2_SHIFT 13
-#define MSM8939_S4_P2_SHIFT 25
-#define MSM8939_S5_P2_SHIFT 14
-#define MSM8939_S6_P2_SHIFT 26
-#define MSM8939_S7_P2_SHIFT 6
-#define MSM8939_S8_P2_SHIFT 18
-#define MSM8939_S9_P2_SHIFT_0_4 27
-#define MSM8939_S9_P2_SHIFT_5 13
-
-#define MSM8939_CAL_SEL_MASK 0x7
-#define MSM8939_CAL_SEL_SHIFT 0
-
/* eeprom layout data for 8974 */
#define BASE1_MASK 0xff
#define S0_P1_MASK 0x3f00
@@ -286,77 +229,7 @@ static int calibrate_8916(struct tsens_priv *priv)

static int calibrate_8939(struct tsens_priv *priv)
{
- int base0 = 0, base1 = 0, i;
- u32 p1[10], p2[10];
- int mode = 0;
- u32 *qfprom_cdata;
- u32 cdata[6];
- int ret;
-
- ret = tsens_calibrate_nvmem(priv, 2);
- if (!ret)
- return 0;
-
- qfprom_cdata = (u32 *)qfprom_read(priv->dev, "calib");
- if (IS_ERR(qfprom_cdata))
- return PTR_ERR(qfprom_cdata);
-
- /* Mapping between qfprom nvmem and calibration data */
- cdata[0] = qfprom_cdata[12];
- cdata[1] = qfprom_cdata[13];
- cdata[2] = qfprom_cdata[0];
- cdata[3] = qfprom_cdata[1];
- cdata[4] = qfprom_cdata[22];
- cdata[5] = qfprom_cdata[21];
-
- mode = (cdata[0] & MSM8939_CAL_SEL_MASK) >> MSM8939_CAL_SEL_SHIFT;
- dev_dbg(priv->dev, "calibration mode is %d\n", mode);
-
- switch (mode) {
- case TWO_PT_CALIB:
- base1 = (cdata[3] & MSM8939_BASE1_MASK) >> MSM8939_BASE1_SHIFT;
- p2[0] = (cdata[0] & MSM8939_S0_P2_MASK) >> MSM8939_S0_P2_SHIFT;
- p2[1] = (cdata[0] & MSM8939_S1_P2_MASK) >> MSM8939_S1_P2_SHIFT;
- p2[2] = (cdata[1] & MSM8939_S2_P2_MASK) >> MSM8939_S2_P2_SHIFT;
- p2[3] = (cdata[1] & MSM8939_S3_P2_MASK) >> MSM8939_S3_P2_SHIFT;
- p2[4] = (cdata[1] & MSM8939_S4_P2_MASK) >> MSM8939_S4_P2_SHIFT;
- p2[5] = (cdata[2] & MSM8939_S5_P2_MASK) >> MSM8939_S5_P2_SHIFT;
- p2[6] = (cdata[2] & MSM8939_S6_P2_MASK) >> MSM8939_S6_P2_SHIFT;
- p2[7] = (cdata[3] & MSM8939_S7_P2_MASK) >> MSM8939_S7_P2_SHIFT;
- p2[8] = (cdata[3] & MSM8939_S8_P2_MASK) >> MSM8939_S8_P2_SHIFT;
- p2[9] = (cdata[4] & MSM8939_S9_P2_MASK_0_4) >> MSM8939_S9_P2_SHIFT_0_4;
- p2[9] |= ((cdata[5] & MSM8939_S9_P2_MASK_5) >> MSM8939_S9_P2_SHIFT_5) << 5;
- for (i = 0; i < priv->num_sensors; i++)
- p2[i] = (base1 + p2[i]) << 2;
- fallthrough;
- case ONE_PT_CALIB2:
- base0 = (cdata[2] & MSM8939_BASE0_MASK) >> MSM8939_BASE0_SHIFT;
- p1[0] = (cdata[0] & MSM8939_S0_P1_MASK) >> MSM8939_S0_P1_SHIFT;
- p1[1] = (cdata[0] & MSM8939_S1_P1_MASK) >> MSM8939_S1_P1_SHIFT;
- p1[2] = (cdata[0] & MSM8939_S2_P1_MASK_0_4) >> MSM8939_S2_P1_SHIFT_0_4;
- p1[2] |= ((cdata[1] & MSM8939_S2_P1_MASK_5) >> MSM8939_S2_P1_SHIFT_5) << 5;
- p1[3] = (cdata[1] & MSM8939_S3_P1_MASK) >> MSM8939_S3_P1_SHIFT;
- p1[4] = (cdata[1] & MSM8939_S4_P1_MASK) >> MSM8939_S4_P1_SHIFT;
- p1[5] = (cdata[2] & MSM8939_S5_P1_MASK) >> MSM8939_S5_P1_SHIFT;
- p1[6] = (cdata[2] & MSM8939_S6_P1_MASK) >> MSM8939_S6_P1_SHIFT;
- p1[7] = (cdata[3] & MSM8939_S7_P1_MASK) >> MSM8939_S7_P1_SHIFT;
- p1[8] = (cdata[3] & MSM8939_S8_P1_MASK) >> MSM8939_S8_P1_SHIFT;
- p1[9] = (cdata[4] & MSM8939_S9_P1_MASK) >> MSM8939_S9_P1_SHIFT;
- for (i = 0; i < priv->num_sensors; i++)
- p1[i] = ((base0) + p1[i]) << 2;
- break;
- default:
- for (i = 0; i < priv->num_sensors; i++) {
- p1[i] = 500;
- p2[i] = 780;
- }
- break;
- }
-
- compute_intercept_slope(priv, p1, p2, mode);
- kfree(qfprom_cdata);
-
- return 0;
+ return tsens_calibrate_nvmem(priv, 2);
}

static int calibrate_8974(struct tsens_priv *priv)
--
2.35.1