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lantiq: ltq-tapi: add kernel 5.10 compatiblity

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Due to SCHED_FIFO being a broken scheduler model, all users of
sched_setscheduler() are converted to sched_set_fifo_low() upstream and
sched_setscheduler() is no longer exported.

The callback handling of the tasklet API was redesigned and the macros
using the old syntax renamed to _OLD.

Signed-off-by: Mathias Kresin <dev@kresin.me>
(cherry picked from commit 31f3f79700)
[Add DECLARE_TASKLET handling for kernel 5.4.235 too]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Mathias Kresin 2020-12-27 17:25:25 +01:00 committed by Hauke Mehrtens
parent 3d93d2cea5
commit 8e12360fcf
1 changed files with 51 additions and 0 deletions
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51
package/kernel/lantiq/ltq-tapi/patches/500-linux-509.patch Normal file
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@ -0,0 +1,51 @@
--- a/src/drv_tapi_linux.c
+++ b/src/drv_tapi_linux.c
@@ -3287,10 +3287,13 @@ static IFX_void_t proc_EntriesRemove(IFX
*/
static IFX_void_t tapi_wq_setscheduler (IFX_int32_t foo)
{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5,9,0)
struct sched_param sched_params;
-
sched_params.sched_priority = TAPI_OS_THREAD_PRIO_HIGH;
sched_setscheduler(current, SCHED_FIFO, &sched_params);
+#else
+ sched_set_fifo_low(current);
+#endif
}
#endif /* LINUX_2_6 */
@@ -3727,6 +3730,7 @@ static IFX_int32_t TAPI_SelectCh (TAPI_F
*/
IFX_int32_t TAPI_OS_ThreadPriorityModify(IFX_uint32_t newPriority)
{
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5,9,0))
struct sched_param sched_params;
IFX_int32_t ret;
@@ -3744,6 +3748,10 @@ IFX_int32_t TAPI_OS_ThreadPriorityModify
}
return (ret < 0) ? IFX_ERROR : IFX_SUCCESS;
+#else
+ sched_set_fifo_low(current);
+ return IFX_SUCCESS;
+#endif
}
--- a/src/drv_tapi_kpi.c
+++ b/src/drv_tapi_kpi.c
@@ -134,7 +134,12 @@ extern IFX_int32_t block_ingre
/* ========================================================================== */
static IFX_void_t ifx_tapi_KPI_IngressHandler (IFX_ulong_t foo);
#ifdef KPI_TASKLET
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5,9,0) && \
+ !(LINUX_VERSION_CODE < KERNEL_VERSION(5,5,0) && LINUX_VERSION_CODE > KERNEL_VERSION(5,4,235))
DECLARE_TASKLET(tl_kpi_ingress, ifx_tapi_KPI_IngressHandler, 0L);
+#else
+DECLARE_TASKLET_OLD(tl_kpi_ingress, ifx_tapi_KPI_IngressHandler);
+#endif
#endif /* KPI_TASKLET */
static IFX_int32_t ifx_tapi_KPI_IngressThread (IFXOS_ThreadParams_t *pThread);
static IFX_return_t ifx_tapi_KPI_GroupInit(IFX_uint32_t nKpiGroup);