{"action":"created","issue":{"url":"https://api.github.com/repos/RIOT-OS/RIOT/issues/4889","repository_url":"https://api.github.com/repos/RIOT-OS/RIOT","labels_url":"https://api.github.com/repos/RIOT-OS/RIOT/issues/4889/labels{/name}","comments_url":"https://api.github.com/repos/RIOT-OS/RIOT/issues/4889/comments","events_url":"https://api.github.com/repos/RIOT-OS/RIOT/issues/4889/events","html_url":"https://github.com/RIOT-OS/RIOT/pull/4889","id":136039264,"number":4889,"title":"drivers/periph/spi: add 4MHZ to available speeds","user":{"login":"dkm","id":87603,"avatar_url":"https://avatars.githubusercontent.com/u/87603?v=3","gravatar_id":"","url":"https://api.github.com/users/dkm","html_url":"https://github.com/dkm","followers_url":"https://api.github.com/users/dkm/followers","following_url":"https://api.github.com/users/dkm/following{/other_user}","gists_url":"https://api.github.com/users/dkm/gists{/gist_id}","starred_url":"https://api.github.com/users/dkm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dkm/subscriptions","organizations_url":"https://api.github.com/users/dkm/orgs","repos_url":"https://api.github.com/users/dkm/repos","events_url":"https://api.github.com/users/dkm/events{/privacy}","received_events_url":"https://api.github.com/users/dkm/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/RIOT-OS/RIOT/labels/Device%20driver","name":"Device driver","color":"0052cc"},{"url":"https://api.github.com/repos/RIOT-OS/RIOT/labels/enhancement","name":"enhancement","color":"f17070"},{"url":"https://api.github.com/repos/RIOT-OS/RIOT/labels/Hack'n'ACK%20candidate","name":"Hack'n'ACK candidate","color":"dff5df"},{"url":"https://api.github.com/repos/RIOT-OS/RIOT/labels/Ready%20for%20CI%20build","name":"Ready for CI build","color":"bfdadc"}],"state":"open","locked":false,"assignee":{"login":"PeterKietzmann","id":7765855,"avatar_url":"https://avatars.githubusercontent.com/u/7765855?v=3","gravatar_id":"","url":"https://api.github.com/users/PeterKietzmann","html_url":"https://github.com/PeterKietzmann","followers_url":"https://api.github.com/users/PeterKietzmann/followers","following_url":"https://api.github.com/users/PeterKietzmann/following{/other_user}","gists_url":"https://api.github.com/users/PeterKietzmann/gists{/gist_id}","starred_url":"https://api.github.com/users/PeterKietzmann/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/PeterKietzmann/subscriptions","organizations_url":"https://api.github.com/users/PeterKietzmann/orgs","repos_url":"https://api.github.com/users/PeterKietzmann/repos","events_url":"https://api.github.com/users/PeterKietzmann/events{/privacy}","received_events_url":"https://api.github.com/users/PeterKietzmann/received_events","type":"User","site_admin":false},"milestone":null,"comments":2,"created_at":"2016-02-24T11:50:51Z","updated_at":"2016-02-29T10:11:29Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/RIOT-OS/RIOT/pulls/4889","html_url":"https://github.com/RIOT-OS/RIOT/pull/4889","diff_url":"https://github.com/RIOT-OS/RIOT/pull/4889.diff","patch_url":"https://github.com/RIOT-OS/RIOT/pull/4889.patch"},"body":"This follows a previous exchange on the mailing-list.\r\n\r\nAllows for SPI to be driven at 4Mhz."},"comment":{"url":"https://api.github.com/repos/RIOT-OS/RIOT/issues/comments/190138974","html_url":"https://github.com/RIOT-OS/RIOT/pull/4889#issuecomment-190138974","issue_url":"https://api.github.com/repos/RIOT-OS/RIOT/issues/4889","id":190138974,"user":{"login":"PeterKietzmann","id":7765855,"avatar_url":"https://avatars.githubusercontent.com/u/7765855?v=3","gravatar_id":"","url":"https://api.github.com/users/PeterKietzmann","html_url":"https://github.com/PeterKietzmann","followers_url":"https://api.github.com/users/PeterKietzmann/followers","following_url":"https://api.github.com/users/PeterKietzmann/following{/other_user}","gists_url":"https://api.github.com/users/PeterKietzmann/gists{/gist_id}","starred_url":"https://api.github.com/users/PeterKietzmann/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/PeterKietzmann/subscriptions","organizations_url":"https://api.github.com/users/PeterKietzmann/orgs","repos_url":"https://api.github.com/users/PeterKietzmann/repos","events_url":"https://api.github.com/users/PeterKietzmann/events{/privacy}","received_events_url":"https://api.github.com/users/PeterKietzmann/received_events","type":"User","site_admin":false},"created_at":"2016-02-29T10:11:29Z","updated_at":"2016-02-29T10:11:29Z","body":"@dkm the change itself looks ok to me. But honestly I don't understand your motivation behind it. For the `lpc11u34` you added a fall-through to 5 MHz in case 4 MHz is selected. For other MCUs this option is just not available -ok. But what is the rationale behind this enhancement? I don't know if 4MHz is actually an \"often-available\" bus speed on different MCUs "}}