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dev/serial/sc16is752-spi: Fix warnings

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Fix several may be used uninitialized warnings.
This commit is contained in:
Sebastian Huber
2024-11-12 05:37:01 +01:00
committed by Gedare Bloom
parent f208860981
commit 2c64cf1bd8
1 changed files with 4 additions and 7 deletions
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11
cpukit/dev/serial/sc16is752-spi.c
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@@ -53,10 +53,9 @@ static int sc16is752_spi_write_reg(
_Assert(len < RTEMS_ARRAY_SIZE(unused));
tx_cmd = addr << 3;
msg_init(&msg[0], ctx->cs, ctx->speed_hz, 1, &unused[0], &tx_cmd);
msg_init(&msg[1], ctx->cs, ctx->speed_hz, len, &unused[0], &data[0]);
tx_cmd = addr << 3;
msg[1].cs_change = 1;
return ioctl(ctx->fd, SPI_IOC_MESSAGE(2), &msg[0]);
@@ -77,10 +76,9 @@ static int sc16is752_spi_read_reg(
_Assert(len < RTEMS_ARRAY_SIZE(tx_buf));
tx_cmd = 0x80 | (addr << 3);
msg_init(&msg[0], ctx->cs, ctx->speed_hz, 1, &unused, &tx_cmd);
msg_init(&msg[1], ctx->cs, ctx->speed_hz, len, &data[0], &tx_buf[0]);
tx_cmd = 0x80 | (addr << 3);
msg[1].cs_change = 1;
return ioctl(ctx->fd, SPI_IOC_MESSAGE(2), &msg[0]);
@@ -99,13 +97,12 @@ static int sc16is752_spi_read_2_reg(
uint8_t tx_cmd_0;
uint8_t tx_cmd_1;
tx_cmd_0 = 0x80 | (addr_0 << 3);
tx_cmd_1 = 0x80 | (addr_1 << 3);
msg_init(&msg[0], ctx->cs, ctx->speed_hz, 1, &unused, &tx_cmd_0);
msg_init(&msg[1], ctx->cs, ctx->speed_hz, 1, &data[0], &unused);
msg_init(&msg[2], ctx->cs, ctx->speed_hz, 1, &unused, &tx_cmd_1);
msg_init(&msg[3], ctx->cs, ctx->speed_hz, 1, &data[1], &unused);
tx_cmd_0 = 0x80 | (addr_0 << 3);
tx_cmd_1 = 0x80 | (addr_1 << 3);
msg[1].cs_change = 1;
msg[3].cs_change = 1;