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authorSimon Glass <sjg@chromium.org>2024-08-11 08:50:46 -0600
committerHeiko Schocher <hs@denx.de>2024-08-13 06:23:05 +0200
commit7fca1ae860c1ecab23ae97cc5acfd6cd02b5e74c (patch)
treece421c42a1e7768ff52676335dae17c3e7cb5537 /drivers/i2c
parenta48ecabaea28791669ce30e57a5623e9d809ba55 (diff)
i2c: Remove CFG_SYS_I2C_MAX_HOPS
Now that this is always 0, remove it and the associated dead code. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/i2c_core.c37
1 files changed, 0 insertions, 37 deletions
diff --git a/drivers/i2c/i2c_core.c b/drivers/i2c/i2c_core.c
index 7c43a5546d3..f371d952af5 100644
--- a/drivers/i2c/i2c_core.c
+++ b/drivers/i2c/i2c_core.c
@@ -111,23 +111,6 @@ static int i2c_mux_set_all(void)
struct i2c_bus_hose *i2c_bus_tmp = &i2c_bus[I2C_BUS];
int i;
- /* Connect requested bus if behind muxes */
- if (i2c_bus_tmp->next_hop[0].chip != 0) {
- /* Set all muxes along the path to that bus */
- for (i = 0; i < CFG_SYS_I2C_MAX_HOPS; i++) {
- int ret;
-
- if (i2c_bus_tmp->next_hop[i].chip == 0)
- break;
-
- ret = i2c_mux_set(I2C_ADAP,
- i2c_bus_tmp->next_hop[i].mux.id,
- i2c_bus_tmp->next_hop[i].chip,
- i2c_bus_tmp->next_hop[i].channel);
- if (ret != 0)
- return ret;
- }
- }
return 0;
}
@@ -140,26 +123,6 @@ static int i2c_mux_disconnect_all(void)
if (I2C_ADAP->init_done == 0)
return 0;
- /* Disconnect current bus (turn off muxes if any) */
- if ((i2c_bus_tmp->next_hop[0].chip != 0) &&
- (I2C_ADAP->init_done != 0)) {
- i = CFG_SYS_I2C_MAX_HOPS;
- do {
- uint8_t chip;
- int ret;
-
- chip = i2c_bus_tmp->next_hop[--i].chip;
- if (chip == 0)
- continue;
-
- ret = I2C_ADAP->write(I2C_ADAP, chip, 0, 0, &buf, 1);
- if (ret != 0) {
- printf("i2c: mux disconnect error\n");
- return ret;
- }
- } while (i > 0);
- }
-
return 0;
}
#endif