diff options
| author | Sudeep Holla <sudeep.holla@arm.com> | 2017-05-18 19:19:28 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2017-06-01 12:13:11 +0300 |
| commit | 7374aec95636ca39409545eba4ef5ff3125c2346 (patch) | |
| tree | a27e5d91cdd7f3be460e69ede94d717c6d68c8cb /drivers/clk | |
| parent | 80b4ae7acea48774761a54ba8432206b20e4d8f1 (diff) | |
| download | linux-7374aec95636ca39409545eba4ef5ff3125c2346.tar.xz | |
clk: scpi: fix return type of __scpi_dvfs_round_rate
The frequencies above the maximum value of signed integer(i.e. 2^31 -1)
will overflow with the current code.
This patch fixes the return type of __scpi_dvfs_round_rate from 'int'
to 'unsigned long'.
Fixes: cd52c2a4b5c4 ("clk: add support for clocks provided by SCP(System Control Processor)")
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/clk-scpi.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/clk/clk-scpi.c b/drivers/clk/clk-scpi.c index 96d37175d0ad..8ad458b5ad6e 100644 --- a/drivers/clk/clk-scpi.c +++ b/drivers/clk/clk-scpi.c @@ -71,15 +71,15 @@ static const struct clk_ops scpi_clk_ops = { }; /* find closest match to given frequency in OPP table */ -static int __scpi_dvfs_round_rate(struct scpi_clk *clk, unsigned long rate) +static long __scpi_dvfs_round_rate(struct scpi_clk *clk, unsigned long rate) { int idx; - u32 fmin = 0, fmax = ~0, ftmp; + unsigned long fmin = 0, fmax = ~0, ftmp; const struct scpi_opp *opp = clk->info->opps; for (idx = 0; idx < clk->info->count; idx++, opp++) { ftmp = opp->freq; - if (ftmp >= (u32)rate) { + if (ftmp >= rate) { if (ftmp <= fmax) fmax = ftmp; break; |