diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2020-12-15 10:48:07 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-12-15 10:48:07 +0100 |
| commit | 3c41e57a1e168d879e923c5583adeae47eec9f64 (patch) | |
| tree | e6272012c4b766189be2821316a3d23d115f5195 /drivers/ptp/ptp_clockmatrix.c | |
| parent | d14ce74f1fb376ccbbc0b05ded477ada51253729 (diff) | |
| parent | 2f5fbc4305d07725bfebaedb09e57271315691ef (diff) | |
Merge tag 'irqchip-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates for 5.11 from Marc Zyngier:
- Preliminary support for managed interrupts on platform devices
- Correctly identify allocation of MSIs proxyied by another device
- Remove the fasteoi IPI flow which has been proved useless
- Generalise the Ocelot support to new SoCs
- Improve GICv4.1 vcpu entry, matching the corresponding KVM optimisation
- Work around spurious interrupts on Qualcomm PDC
- Random fixes and cleanups
Link: https://lore.kernel.org/r/20201212135626.1479884-1-maz@kernel.org
Diffstat (limited to 'drivers/ptp/ptp_clockmatrix.c')
| -rw-r--r-- | drivers/ptp/ptp_clockmatrix.c | 49 |
1 files changed, 16 insertions, 33 deletions
diff --git a/drivers/ptp/ptp_clockmatrix.c b/drivers/ptp/ptp_clockmatrix.c index e020faff7da5..663255774c0b 100644 --- a/drivers/ptp/ptp_clockmatrix.c +++ b/drivers/ptp/ptp_clockmatrix.c @@ -103,43 +103,26 @@ static int timespec_to_char_array(struct timespec64 const *ts, return 0; } -static int idtcm_strverscmp(const char *ver1, const char *ver2) +static int idtcm_strverscmp(const char *version1, const char *version2) { - u8 num1; - u8 num2; - int result = 0; - - /* loop through each level of the version string */ - while (result == 0) { - /* extract leading version numbers */ - if (kstrtou8(ver1, 10, &num1) < 0) - return -1; + u8 ver1[3], ver2[3]; + int i; - if (kstrtou8(ver2, 10, &num2) < 0) - return -1; + if (sscanf(version1, "%hhu.%hhu.%hhu", + &ver1[0], &ver1[1], &ver1[2]) != 3) + return -1; + if (sscanf(version2, "%hhu.%hhu.%hhu", + &ver2[0], &ver2[1], &ver2[2]) != 3) + return -1; - /* if numbers differ, then set the result */ - if (num1 < num2) - result = -1; - else if (num1 > num2) - result = 1; - else { - /* if numbers are the same, go to next level */ - ver1 = strchr(ver1, '.'); - ver2 = strchr(ver2, '.'); - if (!ver1 && !ver2) - break; - else if (!ver1) - result = -1; - else if (!ver2) - result = 1; - else { - ver1++; - ver2++; - } - } + for (i = 0; i < 3; i++) { + if (ver1[i] > ver2[i]) + return 1; + if (ver1[i] < ver2[i]) + return -1; } - return result; + + return 0; } static int idtcm_xfer_read(struct idtcm *idtcm, |