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Message-Id: <1358998046-613-40-git-send-email-herton.krzesinski@canonical.com> Date: Thu, 24 Jan 2013 01:26:51 -0200 From: Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, kernel-team@...ts.ubuntu.com Cc: Axel Lin <axel.lin@...ics.com>, Mark Brown <broonie@...nsource.wolfsonmicro.com>, Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com> Subject: [PATCH 39/74] regulator: max8998: Ensure enough delay time for max8998_set_voltage_buck_time_sel 3.5.7.4 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Axel Lin <axel.lin@...ics.com> commit 81d0a6ae7befb24c06f4aa4856af7f8d1f612171 upstream. Use DIV_ROUND_UP to prevent truncation by integer division issue. This ensures we return enough delay time. Signed-off-by: Axel Lin <axel.lin@...ics.com> Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com> Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com> --- drivers/regulator/max8998.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c index 5e56df0..b3b2984 100644 --- a/drivers/regulator/max8998.c +++ b/drivers/regulator/max8998.c @@ -447,7 +447,7 @@ static int max8998_set_voltage_buck_time_sel(struct regulator_dev *rdev, difference = (new_selector - old_selector) * desc->step / 1000; if (difference > 0) - return difference / ((val & 0x0f) + 1); + return DIV_ROUND_UP(difference, (val & 0x0f) + 1); return 0; } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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