Remove redundant parameter

Author: christiangnrd

src/intrinsics.jl

@@ -176,7 +176,7 @@ struct Kernel{B, Kern}
 end
 
 """
-    kernel_max_work_group_size(backend, kern; [max_work_items::Int])::Int
+    kernel_max_work_group_size(kern; [max_work_items::Int])::Int
 
 The maximum workgroup size limit for a kernel as reported by the backend.
 This function should always be used to determine the workgroup size before
@@ -185,7 +185,7 @@ launching a kernel.
 !!! note
     Backend implementations **must** implement:
     ```
-    kernel_max_work_group_size(backend::NewBackend, kern::Kernel{<:NewBackend}; max_work_items::Int=typemax(Int))::Int
+    kernel_max_work_group_size(kern::Kernel{<:NewBackend}; max_work_items::Int=typemax(Int))::Int
     ```
     As well as the on-device functionality.
 """

src/pocl/backend.jl

@@ -164,7 +164,7 @@ function (obj::KI.Kernel{POCLBackend})(args...; numworkgroups = nothing, workgro
     return obj.kern(args...; local_size, global_size)
 end
 
-function KI.kernel_max_work_group_size(::POCLBackend, kikern::KI.Kernel{<:POCLBackend}; max_work_items::Int = typemax(Int))::Int
+function KI.kernel_max_work_group_size(kikern::KI.Kernel{<:POCLBackend}; max_work_items::Int = typemax(Int))::Int
     wginfo = cl.work_group_info(kikern.kern.fun, device())
     return Int(min(wginfo.size, max_work_items))
 end

test/intrinsics.jl

@@ -80,8 +80,8 @@ function intrinsics_testsuite(backend, AT)
             results = AT(zeros(Int, 6, N))
             kernel = KI.@kikernel backend() launch = false test_intrinsics_kernel(results)
 
-            @test KI.kernel_max_work_group_size(backend(), kernel) isa Int
-            @test KI.kernel_max_work_group_size(backend(), kernel; max_work_items = 1) == 1
+            @test KI.kernel_max_work_group_size(kernel) isa Int
+            @test KI.kernel_max_work_group_size(kernel; max_work_items = 1) == 1
 
             kernel(results, workgroupsize = 4, numworkgroups = 4)
             KernelAbstractions.synchronize(backend())