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Input: sentelic - release mutex upon register write failure
Make sure that mutex is released upon register writing failure. This fixes boot freezing observed on ARM based OLPC (http://dev.laptop.org/ticket/11357). Signed-off-by: Paul Fox <pgf@laptop.org> Signed-off-by: Tai-hwa Liang <avatar@sentelic.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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1 changed files with 2 additions and 2 deletions
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@ -162,7 +162,7 @@ static int fsp_reg_write(struct psmouse *psmouse, int reg_addr, int reg_val)
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ps2_sendbyte(ps2dev, v, FSP_CMD_TIMEOUT2);
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if (ps2_sendbyte(ps2dev, 0xf3, FSP_CMD_TIMEOUT) < 0)
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return -1;
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goto out;
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if ((v = fsp_test_invert_cmd(reg_val)) != reg_val) {
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/* inversion is required */
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@ -261,7 +261,7 @@ static int fsp_page_reg_write(struct psmouse *psmouse, int reg_val)
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ps2_sendbyte(ps2dev, 0x88, FSP_CMD_TIMEOUT2);
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if (ps2_sendbyte(ps2dev, 0xf3, FSP_CMD_TIMEOUT) < 0)
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return -1;
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goto out;
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if ((v = fsp_test_invert_cmd(reg_val)) != reg_val) {
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ps2_sendbyte(ps2dev, 0x47, FSP_CMD_TIMEOUT2);
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