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uart_mu: Remove unused variables.

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This commit is contained in:
John Baldwin 2022-04-08 17:25:15 -07:00
parent 6f1fe2a0d6
commit 2fb87f5147
1 changed files with 0 additions and 4 deletions
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4
sys/dev/uart/uart_dev_mu.c
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@ -346,10 +346,8 @@ uart_mu_bus_getsig(struct uart_softc *sc)
static int
uart_mu_bus_ioctl(struct uart_softc *sc, int request, intptr_t data)
{
struct uart_bas *bas;
int error;
bas = &sc->sc_bas;
error = 0;
uart_lock(sc->sc_hwmtx);
switch (request) {
@ -431,14 +429,12 @@ uart_mu_bus_probe(struct uart_softc *sc)
static int
uart_mu_bus_receive(struct uart_softc *sc)
{
struct uart_mu_softc *psc;
struct uart_bas *bas;
uint32_t lsr, xc;
int rx;
bas = &sc->sc_bas;
uart_lock(sc->sc_hwmtx);
psc = (struct uart_mu_softc *)sc;
lsr = __uart_getreg(bas, AUX_MU_LSR_REG);
while (lsr & LSR_RXREADY) {