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Remove redundant data from pci host generic

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The bus tag and handle fields are already stored in the resource. Use
this with the bus_read/bus_write helper macros.

Sponsored by:	Arm Ltd
This commit is contained in:
Andrew Turner
2023-04-24 12:11:29 +01:00
parent 078a69abcb
commit 8bc94f256e
4 changed files with 18 additions and 44 deletions
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sys/arm/broadcom/bcm2835/bcm2838_pci.c
+8 -20
View File
@@ -168,16 +168,14 @@ static void
bcm_pcib_set_reg(struct bcm_pcib_softc *sc, uint32_t reg, uint32_t val)
{
bus_space_write_4(sc->base.base.bst, sc->base.base.bsh, reg,
htole32(val));
bus_write_4(sc->base.base.res, reg, htole32(val));
}
static uint32_t
bcm_pcib_read_reg(struct bcm_pcib_softc *sc, uint32_t reg)
{
return (le32toh(bus_space_read_4(sc->base.base.bst, sc->base.base.bsh,
reg)));
return (le32toh(bus_read_4(sc->base.base.res, reg)));
}
static void
@@ -318,8 +316,6 @@ bcm_pcib_read_config(device_t dev, u_int bus, u_int slot, u_int func, u_int reg,
int bytes)
{
struct bcm_pcib_softc *sc;
bus_space_handle_t h;
bus_space_tag_t t;
bus_addr_t offset;
uint32_t data;
@@ -330,18 +326,15 @@ bcm_pcib_read_config(device_t dev, u_int bus, u_int slot, u_int func, u_int reg,
mtx_lock(&sc->config_mtx);
offset = bcm_get_offset_and_prepare_config(sc, bus, slot, func, reg);
t = sc->base.base.bst;
h = sc->base.base.bsh;
switch (bytes) {
case 1:
data = bus_space_read_1(t, h, offset);
data = bus_read_1(sc->base.base.res, offset);
break;
case 2:
data = le16toh(bus_space_read_2(t, h, offset));
data = le16toh(bus_read_2(sc->base.base.res, offset));
break;
case 4:
data = le32toh(bus_space_read_4(t, h, offset));
data = le32toh(bus_read_4(sc->base.base.res, offset));
break;
default:
data = ~0U;
@@ -357,8 +350,6 @@ bcm_pcib_write_config(device_t dev, u_int bus, u_int slot,
u_int func, u_int reg, uint32_t val, int bytes)
{
struct bcm_pcib_softc *sc;
bus_space_handle_t h;
bus_space_tag_t t;
uint32_t offset;
sc = device_get_softc(dev);
@@ -368,18 +359,15 @@ bcm_pcib_write_config(device_t dev, u_int bus, u_int slot,
mtx_lock(&sc->config_mtx);
offset = bcm_get_offset_and_prepare_config(sc, bus, slot, func, reg);
t = sc->base.base.bst;
h = sc->base.base.bsh;
switch (bytes) {
case 1:
bus_space_write_1(t, h, offset, val);
bus_write_1(sc->base.base.res, offset, val);
break;
case 2:
bus_space_write_2(t, h, offset, htole16(val));
bus_write_2(sc->base.base.res, offset, htole16(val));
break;
case 4:
bus_space_write_4(t, h, offset, htole32(val));
bus_write_4(sc->base.base.res, offset, htole32(val));
break;
default:
break;