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bus: mvebu: fix resource size handling 

A resource_size is defined as res->end - res->start + 1. Marvell
MBUS driver gets some ranges from DT as start and size but mis-calculates
end of range. This fixes 4 occurences of those mistakes.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sebastian Hesselbarth 2014-07-30 10:39:33 +02:00 committed by Sascha Hauer
parent 0992c07b49
commit 722e90e32a
1 changed files with 4 additions and 4 deletions
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8
drivers/bus/mvebu-mbus.c
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@ -188,7 +188,7 @@ static int mvebu_mbus_window_conflicts(struct mvebu_mbus_state *mbus,
phys_addr_t base, size_t size,
u8 target, u8 attr)
{
u64 end = (u64)base + size;
u64 end = (u64)base + size - 1;
int win;
for (win = 0; win < mbus->soc->num_wins; win++) {
@ -204,7 +204,7 @@ static int mvebu_mbus_window_conflicts(struct mvebu_mbus_state *mbus,
if (!enabled)
continue;
wend = wbase + wsize;
wend = wbase + wsize - 1;
/*
* Check if the current window overlaps with the
@ -662,7 +662,7 @@ static void mvebu_mbus_get_pcie_resources(struct device_node *np,
reg, ARRAY_SIZE(reg));
if (!ret) {
mem->start = reg[0];
mem->end = mem->start + reg[1];
mem->end = mem->start + reg[1] - 1;
mem->flags = IORESOURCE_MEM;
}
@ -670,7 +670,7 @@ static void mvebu_mbus_get_pcie_resources(struct device_node *np,
reg, ARRAY_SIZE(reg));
if (!ret) {
io->start = reg[0];
io->end = io->start + reg[1];
io->end = io->start + reg[1] - 1;
io->flags = IORESOURCE_IO;
}
}