On 25.05.19 11:22, Sebastian Ott wrote:
On Thu, 23 May 2019, Michael Mueller wrote:
+static void __init cio_dma_pool_init(void)
+{
+ /* No need to free up the resources: compiled in */
+ cio_dma_pool = cio_gp_dma_create(cio_get_dma_css_dev(), 1);
This can return NULL.
css_bus_init() will fail with -ENOMEM in v3
+/**
+ * Allocate dma memory from the css global pool. Intended for memory not
+ * specific to any single device within the css. The allocated memory
+ * is not guaranteed to be 31-bit addressable.
+ *
+ * Caution: Not suitable for early stuff like console.
+ *
+ */
drivers/s390/cio/css.c:1121: warning: Function parameter or member 'size' not described in 'cio_dma_zalloc'
will complete param description in v3
Reviewed-by: Sebastian Ott <sebott@xxxxxxxxxxxxx>
Thanks!
Michael
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