From: "David S. Miller" <da...@davemloft.net>

[ Upstream commit 621ccc6cc5f8d6730b740d31d4818227866c93c9 ]

Rename _P to _P_VAL and _R to _R_VAL to avoid global
namespace conflicts:

drivers/media/dvb-frontends/tua6100.c: In function ‘tua6100_set_params’:
drivers/media/dvb-frontends/tua6100.c:79: warning: "_P" redefined
 #define _P 32

In file included from ./include/acpi/platform/aclinux.h:54,
                 from ./include/acpi/platform/acenv.h:152,
                 from ./include/acpi/acpi.h:22,
                 from ./include/linux/acpi.h:34,
                 from ./include/linux/i2c.h:17,
                 from drivers/media/dvb-frontends/tua6100.h:30,
                 from drivers/media/dvb-frontends/tua6100.c:32:
./include/linux/ctype.h:14: note: this is the location of the previous 
definition
 #define _P 0x10 /* punct */

Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/media/dvb-frontends/tua6100.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/media/dvb-frontends/tua6100.c 
b/drivers/media/dvb-frontends/tua6100.c
index 029384d1fddd..7a3e91cda5df 100644
--- a/drivers/media/dvb-frontends/tua6100.c
+++ b/drivers/media/dvb-frontends/tua6100.c
@@ -80,8 +80,8 @@ static int tua6100_set_params(struct dvb_frontend *fe)
        struct i2c_msg msg1 = { .addr = priv->i2c_address, .flags = 0, .buf = 
reg1, .len = 4 };
        struct i2c_msg msg2 = { .addr = priv->i2c_address, .flags = 0, .buf = 
reg2, .len = 3 };
 
-#define _R 4
-#define _P 32
+#define _R_VAL 4
+#define _P_VAL 32
 #define _ri 4000000
 
        // setup register 0
@@ -96,14 +96,14 @@ static int tua6100_set_params(struct dvb_frontend *fe)
        else
                reg1[1] = 0x0c;
 
-       if (_P == 64)
+       if (_P_VAL == 64)
                reg1[1] |= 0x40;
        if (c->frequency >= 1525000)
                reg1[1] |= 0x80;
 
        // register 2
-       reg2[1] = (_R >> 8) & 0x03;
-       reg2[2] = _R;
+       reg2[1] = (_R_VAL >> 8) & 0x03;
+       reg2[2] = _R_VAL;
        if (c->frequency < 1455000)
                reg2[1] |= 0x1c;
        else if (c->frequency < 1630000)
@@ -115,18 +115,18 @@ static int tua6100_set_params(struct dvb_frontend *fe)
         * The N divisor ratio (note: c->frequency is in kHz, but we
         * need it in Hz)
         */
-       prediv = (c->frequency * _R) / (_ri / 1000);
-       div = prediv / _P;
+       prediv = (c->frequency * _R_VAL) / (_ri / 1000);
+       div = prediv / _P_VAL;
        reg1[1] |= (div >> 9) & 0x03;
        reg1[2] = div >> 1;
        reg1[3] = (div << 7);
-       priv->frequency = ((div * _P) * (_ri / 1000)) / _R;
+       priv->frequency = ((div * _P_VAL) * (_ri / 1000)) / _R_VAL;
 
        // Finally, calculate and store the value for A
-       reg1[3] |= (prediv - (div*_P)) & 0x7f;
+       reg1[3] |= (prediv - (div*_P_VAL)) & 0x7f;
 
-#undef _R
-#undef _P
+#undef _R_VAL
+#undef _P_VAL
 #undef _ri
 
        if (fe->ops.i2c_gate_ctrl)
-- 
2.20.1

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